Home / 4,666,145.40-6,999,218.10-3,868,983.90

Finding the Fourth Proportional to 4,666,145.40, 6,999,218.10 and 3,868,983.90

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Solution

The fourth proportional to 4,666,145.40, 6,999,218.10 and 3,868,983.90 is: 5,803,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666,145.40 : 6,999,218.10 = 3,868,983.90 : x
  2. Step 2: Convert to fraction form
    4,666,145.40/6,999,218.10 = 3,868,983.90/x
  3. Step 3: Cross multiply
    4,666,145.40x = 6,999,218.10 × 3,868,983.90
  4. Step 4: Simplify right side
    4,666,145.40x = 27,079,862,141,488.59
  5. Step 5: Solve for x
    x = 27,079,862,141,488.59/4,666,145.40
  6. Step 6: Final answer
    x = 5,803,475.85

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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.