Home / 5,140,478.40-7,093,901.28-2,848,677.12

Finding the Fourth Proportional to 5,140,478.40, 7,093,901.28 and 2,848,677.12

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Solution

The fourth proportional to 5,140,478.40, 7,093,901.28 and 2,848,677.12 is: 3,931,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,478.40 : 7,093,901.28 = 2,848,677.12 : x
  2. Step 2: Convert to fraction form
    5,140,478.40/7,093,901.28 = 2,848,677.12/x
  3. Step 3: Cross multiply
    5,140,478.40x = 7,093,901.28 × 2,848,677.12
  4. Step 4: Simplify right side
    5,140,478.40x = 20,208,234,267,874.71
  5. Step 5: Solve for x
    x = 20,208,234,267,874.71/5,140,478.40
  6. Step 6: Final answer
    x = 3,931,197.20

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1.5x scale

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.