Home / 2,688,117.90-4,032,176.85-1,195,125.90

Finding the Fourth Proportional to 2,688,117.90, 4,032,176.85 and 1,195,125.90

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Solution

The fourth proportional to 2,688,117.90, 4,032,176.85 and 1,195,125.90 is: 1,792,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,117.90 : 4,032,176.85 = 1,195,125.90 : x
  2. Step 2: Convert to fraction form
    2,688,117.90/4,032,176.85 = 1,195,125.90/x
  3. Step 3: Cross multiply
    2,688,117.90x = 4,032,176.85 × 1,195,125.90
  4. Step 4: Simplify right side
    2,688,117.90x = 4,818,958,986,815.42
  5. Step 5: Solve for x
    x = 4,818,958,986,815.42/2,688,117.90
  6. Step 6: Final answer
    x = 1,792,688.85

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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.