Home / 4,921,000.40-7,381,500.60-4,123,838.90

Finding the Fourth Proportional to 4,921,000.40, 7,381,500.60 and 4,123,838.90

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Solution

The fourth proportional to 4,921,000.40, 7,381,500.60 and 4,123,838.90 is: 6,185,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,000.40 : 7,381,500.60 = 4,123,838.90 : x
  2. Step 2: Convert to fraction form
    4,921,000.40/7,381,500.60 = 4,123,838.90/x
  3. Step 3: Cross multiply
    4,921,000.40x = 7,381,500.60 × 4,123,838.90
  4. Step 4: Simplify right side
    4,921,000.40x = 30,440,119,314,653.34
  5. Step 5: Solve for x
    x = 30,440,119,314,653.34/4,921,000.40
  6. Step 6: Final answer
    x = 6,185,758.35

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1.5x scale

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.