Home / 2,710,121.28-4,064,000.40-912,521.76

Finding the Fourth Proportional to 2,710,121.28, 4,064,000.40 and 912,521.76

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Solution

The fourth proportional to 2,710,121.28, 4,064,000.40 and 912,521.76 is: 1,368,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710,121.28 : 4,064,000.40 = 912,521.76 : x
  2. Step 2: Convert to fraction form
    2,710,121.28/4,064,000.40 = 912,521.76/x
  3. Step 3: Cross multiply
    2,710,121.28x = 4,064,000.40 × 912,521.76
  4. Step 4: Simplify right side
    2,710,121.28x = 3,708,488,797,648.70
  5. Step 5: Solve for x
    x = 3,708,488,797,648.70/2,710,121.28
  6. Step 6: Final answer
    x = 1,368,384.81

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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.