Home / 2,174,692.57-3,262,440.09-715,821.40

Finding the Fourth Proportional to 2,174,692.57, 3,262,440.09 and 715,821.40

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Solution

The fourth proportional to 2,174,692.57, 3,262,440.09 and 715,821.40 is: 1,073,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,692.57 : 3,262,440.09 = 715,821.40 : x
  2. Step 2: Convert to fraction form
    2,174,692.57/3,262,440.09 = 715,821.40/x
  3. Step 3: Cross multiply
    2,174,692.57x = 3,262,440.09 × 715,821.40
  4. Step 4: Simplify right side
    2,174,692.57x = 2,335,324,432,639.93
  5. Step 5: Solve for x
    x = 2,335,324,432,639.93/2,174,692.57
  6. Step 6: Final answer
    x = 1,073,864.17

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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.