Home / 5,312,639.61-7,331,408.42-3,020,800.10

Finding the Fourth Proportional to 5,312,639.61, 7,331,408.42 and 3,020,800.10

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Solution

The fourth proportional to 5,312,639.61, 7,331,408.42 and 3,020,800.10 is: 4,168,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312,639.61 : 7,331,408.42 = 3,020,800.10 : x
  2. Step 2: Convert to fraction form
    5,312,639.61/7,331,408.42 = 3,020,800.10/x
  3. Step 3: Cross multiply
    5,312,639.61x = 7,331,408.42 × 3,020,800.10
  4. Step 4: Simplify right side
    5,312,639.61x = 22,146,719,236,515.80
  5. Step 5: Solve for x
    x = 22,146,719,236,515.80/5,312,639.61
  6. Step 6: Final answer
    x = 4,168,684.66

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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.