Home / 3,119,895.60-4,679,843.40-1,440,279.60

Finding the Fourth Proportional to 3,119,895.60, 4,679,843.40 and 1,440,279.60

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Solution

The fourth proportional to 3,119,895.60, 4,679,843.40 and 1,440,279.60 is: 2,160,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,895.60 : 4,679,843.40 = 1,440,279.60 : x
  2. Step 2: Convert to fraction form
    3,119,895.60/4,679,843.40 = 1,440,279.60/x
  3. Step 3: Cross multiply
    3,119,895.60x = 4,679,843.40 × 1,440,279.60
  4. Step 4: Simplify right side
    3,119,895.60x = 6,740,282,980,214.64
  5. Step 5: Solve for x
    x = 6,740,282,980,214.64/3,119,895.60
  6. Step 6: Final answer
    x = 2,160,419.40

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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.