Home / 4,805,605.40-7,208,408.10-1,439,812.40

Finding the Fourth Proportional to 4,805,605.40, 7,208,408.10 and 1,439,812.40

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Solution

The fourth proportional to 4,805,605.40, 7,208,408.10 and 1,439,812.40 is: 2,159,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805,605.40 : 7,208,408.10 = 1,439,812.40 : x
  2. Step 2: Convert to fraction form
    4,805,605.40/7,208,408.10 = 1,439,812.40/x
  3. Step 3: Cross multiply
    4,805,605.40x = 7,208,408.10 × 1,439,812.40
  4. Step 4: Simplify right side
    4,805,605.40x = 10,378,755,366,640.44
  5. Step 5: Solve for x
    x = 10,378,755,366,640.44/4,805,605.40
  6. Step 6: Final answer
    x = 2,159,718.60

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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.