Home / 3,119,089.60-4,678,634.40-1,439,473.60

Finding the Fourth Proportional to 3,119,089.60, 4,678,634.40 and 1,439,473.60

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Solution

The fourth proportional to 3,119,089.60, 4,678,634.40 and 1,439,473.60 is: 2,159,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,089.60 : 4,678,634.40 = 1,439,473.60 : x
  2. Step 2: Convert to fraction form
    3,119,089.60/4,678,634.40 = 1,439,473.60/x
  3. Step 3: Cross multiply
    3,119,089.60x = 4,678,634.40 × 1,439,473.60
  4. Step 4: Simplify right side
    3,119,089.60x = 6,734,770,702,851.84
  5. Step 5: Solve for x
    x = 6,734,770,702,851.84/3,119,089.60
  6. Step 6: Final answer
    x = 2,159,210.40

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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.