Home / 4,012,938.60-6,019,407.90-1,317,679.80

Finding the Fourth Proportional to 4,012,938.60, 6,019,407.90 and 1,317,679.80

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Solution

The fourth proportional to 4,012,938.60, 6,019,407.90 and 1,317,679.80 is: 1,976,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012,938.60 : 6,019,407.90 = 1,317,679.80 : x
  2. Step 2: Convert to fraction form
    4,012,938.60/6,019,407.90 = 1,317,679.80/x
  3. Step 3: Cross multiply
    4,012,938.60x = 6,019,407.90 × 1,317,679.80
  4. Step 4: Simplify right side
    4,012,938.60x = 7,931,652,197,790.42
  5. Step 5: Solve for x
    x = 7,931,652,197,790.42/4,012,938.60
  6. Step 6: Final answer
    x = 1,976,519.70

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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.