Home / 6,474,148.80-9,712,389.60-2,688,014.40

Finding the Fourth Proportional to 6,474,148.80, 9,712,389.60 and 2,688,014.40

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Solution

The fourth proportional to 6,474,148.80, 9,712,389.60 and 2,688,014.40 is: 4,032,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,148.80 : 9,712,389.60 = 2,688,014.40 : x
  2. Step 2: Convert to fraction form
    6,474,148.80/9,712,389.60 = 2,688,014.40/x
  3. Step 3: Cross multiply
    6,474,148.80x = 9,712,389.60 × 2,688,014.40
  4. Step 4: Simplify right side
    6,474,148.80x = 26,107,043,103,210.24
  5. Step 5: Solve for x
    x = 26,107,043,103,210.24/6,474,148.80
  6. Step 6: Final answer
    x = 4,032,505.88

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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.