Home / 1,970,228.69-2,955,343.04-1,521,603.92

Finding the Fourth Proportional to 1,970,228.69, 2,955,343.04 and 1,521,603.92

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Solution

The fourth proportional to 1,970,228.69, 2,955,343.04 and 1,521,603.92 is: 2,282,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,228.69 : 2,955,343.04 = 1,521,603.92 : x
  2. Step 2: Convert to fraction form
    1,970,228.69/2,955,343.04 = 1,521,603.92/x
  3. Step 3: Cross multiply
    1,970,228.69x = 2,955,343.04 × 1,521,603.92
  4. Step 4: Simplify right side
    1,970,228.69x = 4,496,861,532,223.98
  5. Step 5: Solve for x
    x = 4,496,861,532,223.98/1,970,228.69
  6. Step 6: Final answer
    x = 2,282,405.88

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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.