Home / 2,980,864.76-4,471,370.91-1,087,606.13

Finding the Fourth Proportional to 2,980,864.76, 4,471,370.91 and 1,087,606.13

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Solution

The fourth proportional to 2,980,864.76, 4,471,370.91 and 1,087,606.13 is: 1,631,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,864.76 : 4,471,370.91 = 1,087,606.13 : x
  2. Step 2: Convert to fraction form
    2,980,864.76/4,471,370.91 = 1,087,606.13/x
  3. Step 3: Cross multiply
    2,980,864.76x = 4,471,370.91 × 1,087,606.13
  4. Step 4: Simplify right side
    2,980,864.76x = 4,863,090,388,862.82
  5. Step 5: Solve for x
    x = 4,863,090,388,862.82/2,980,864.76
  6. Step 6: Final answer
    x = 1,631,436.11

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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.