Home / 2,900,311.60-4,350,467.40-2,153,815.60

Finding the Fourth Proportional to 2,900,311.60, 4,350,467.40 and 2,153,815.60

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Solution

The fourth proportional to 2,900,311.60, 4,350,467.40 and 2,153,815.60 is: 3,230,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,311.60 : 4,350,467.40 = 2,153,815.60 : x
  2. Step 2: Convert to fraction form
    2,900,311.60/4,350,467.40 = 2,153,815.60/x
  3. Step 3: Cross multiply
    2,900,311.60x = 4,350,467.40 × 2,153,815.60
  4. Step 4: Simplify right side
    2,900,311.60x = 9,370,104,553,411.44
  5. Step 5: Solve for x
    x = 9,370,104,553,411.44/2,900,311.60
  6. Step 6: Final answer
    x = 3,230,723.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.