Home / 4,139,822.40-6,209,733.60-3,908,875.20

Finding the Fourth Proportional to 4,139,822.40, 6,209,733.60 and 3,908,875.20

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Solution

The fourth proportional to 4,139,822.40, 6,209,733.60 and 3,908,875.20 is: 5,863,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139,822.40 : 6,209,733.60 = 3,908,875.20 : x
  2. Step 2: Convert to fraction form
    4,139,822.40/6,209,733.60 = 3,908,875.20/x
  3. Step 3: Cross multiply
    4,139,822.40x = 6,209,733.60 × 3,908,875.20
  4. Step 4: Simplify right side
    4,139,822.40x = 24,273,073,667,646.72
  5. Step 5: Solve for x
    x = 24,273,073,667,646.72/4,139,822.40
  6. Step 6: Final answer
    x = 5,863,312.80

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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.