Home / 2,421,529.27-3,341,419.24-1,388,983.70

Finding the Fourth Proportional to 2,421,529.27, 3,341,419.24 and 1,388,983.70

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Solution

The fourth proportional to 2,421,529.27, 3,341,419.24 and 1,388,983.70 is: 1,916,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,529.27 : 3,341,419.24 = 1,388,983.70 : x
  2. Step 2: Convert to fraction form
    2,421,529.27/3,341,419.24 = 1,388,983.70/x
  3. Step 3: Cross multiply
    2,421,529.27x = 3,341,419.24 × 1,388,983.70
  4. Step 4: Simplify right side
    2,421,529.27x = 4,641,176,859,226.39
  5. Step 5: Solve for x
    x = 4,641,176,859,226.39/2,421,529.27
  6. Step 6: Final answer
    x = 1,916,630.50

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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.