Home / 2,695,120.70-4,042,681.05-1,098,829.40

Finding the Fourth Proportional to 2,695,120.70, 4,042,681.05 and 1,098,829.40

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Solution

The fourth proportional to 2,695,120.70, 4,042,681.05 and 1,098,829.40 is: 1,648,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695,120.70 : 4,042,681.05 = 1,098,829.40 : x
  2. Step 2: Convert to fraction form
    2,695,120.70/4,042,681.05 = 1,098,829.40/x
  3. Step 3: Cross multiply
    2,695,120.70x = 4,042,681.05 × 1,098,829.40
  4. Step 4: Simplify right side
    2,695,120.70x = 4,442,216,792,562.87
  5. Step 5: Solve for x
    x = 4,442,216,792,562.87/2,695,120.70
  6. Step 6: Final answer
    x = 1,648,244.10

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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.