Home / 6,390,529.20-9,585,842.40-2,130,690.60

Finding the Fourth Proportional to 6,390,529.20, 9,585,842.40 and 2,130,690.60

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Solution

The fourth proportional to 6,390,529.20, 9,585,842.40 and 2,130,690.60 is: 3,196,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,529.20 : 9,585,842.40 = 2,130,690.60 : x
  2. Step 2: Convert to fraction form
    6,390,529.20/9,585,842.40 = 2,130,690.60/x
  3. Step 3: Cross multiply
    6,390,529.20x = 9,585,842.40 × 2,130,690.60
  4. Step 4: Simplify right side
    6,390,529.20x = 20,424,464,294,761.44
  5. Step 5: Solve for x
    x = 20,424,464,294,761.44/6,390,529.20
  6. Step 6: Final answer
    x = 3,196,052.10

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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.