Home / 3,128,048.55-4,368,639.15-3,128,048.55

Finding the Fourth Proportional to 3,128,048.55, 4,368,639.15 and 3,128,048.55

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Solution

The fourth proportional to 3,128,048.55, 4,368,639.15 and 3,128,048.55 is: 4,368,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,048.55 : 4,368,639.15 = 3,128,048.55 : x
  2. Step 2: Convert to fraction form
    3,128,048.55/4,368,639.15 = 3,128,048.55/x
  3. Step 3: Cross multiply
    3,128,048.55x = 4,368,639.15 × 3,128,048.55
  4. Step 4: Simplify right side
    3,128,048.55x = 13,665,315,358,630.73
  5. Step 5: Solve for x
    x = 13,665,315,358,630.73/3,128,048.55
  6. Step 6: Final answer
    x = 4,368,639.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.