Home / 5,642,476.23-7,789,000.68-3,809,417.34

Finding the Fourth Proportional to 5,642,476.23, 7,789,000.68 and 3,809,417.34

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Solution

The fourth proportional to 5,642,476.23, 7,789,000.68 and 3,809,417.34 is: 5,258,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642,476.23 : 7,789,000.68 = 3,809,417.34 : x
  2. Step 2: Convert to fraction form
    5,642,476.23/7,789,000.68 = 3,809,417.34/x
  3. Step 3: Cross multiply
    5,642,476.23x = 7,789,000.68 × 3,809,417.34
  4. Step 4: Simplify right side
    5,642,476.23x = 29,671,554,251,663.79
  5. Step 5: Solve for x
    x = 29,671,554,251,663.79/5,642,476.23
  6. Step 6: Final answer
    x = 5,258,605.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.