Home / 2,980,904.96-4,472,017.20-1,087,640.92

Finding the Fourth Proportional to 2,980,904.96, 4,472,017.20 and 1,087,640.92

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Solution

The fourth proportional to 2,980,904.96, 4,472,017.20 and 1,087,640.92 is: 1,631,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,904.96 : 4,472,017.20 = 1,087,640.92 : x
  2. Step 2: Convert to fraction form
    2,980,904.96/4,472,017.20 = 1,087,640.92/x
  3. Step 3: Cross multiply
    2,980,904.96x = 4,472,017.20 × 1,087,640.92
  4. Step 4: Simplify right side
    2,980,904.96x = 4,863,948,901,663.82
  5. Step 5: Solve for x
    x = 4,863,948,901,663.82/2,980,904.96
  6. Step 6: Final answer
    x = 1,631,702.11

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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.