Home / 4,705,387.80-7,058,081.70-2,811,154.20

Finding the Fourth Proportional to 4,705,387.80, 7,058,081.70 and 2,811,154.20

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Solution

The fourth proportional to 4,705,387.80, 7,058,081.70 and 2,811,154.20 is: 4,216,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705,387.80 : 7,058,081.70 = 2,811,154.20 : x
  2. Step 2: Convert to fraction form
    4,705,387.80/7,058,081.70 = 2,811,154.20/x
  3. Step 3: Cross multiply
    4,705,387.80x = 7,058,081.70 × 2,811,154.20
  4. Step 4: Simplify right side
    4,705,387.80x = 19,841,356,014,898.14
  5. Step 5: Solve for x
    x = 19,841,356,014,898.14/4,705,387.80
  6. Step 6: Final answer
    x = 4,216,731.30

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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.