Home / 3,186,209.60-4,779,314.40-1,191,406.40

Finding the Fourth Proportional to 3,186,209.60, 4,779,314.40 and 1,191,406.40

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Solution

The fourth proportional to 3,186,209.60, 4,779,314.40 and 1,191,406.40 is: 1,787,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,209.60 : 4,779,314.40 = 1,191,406.40 : x
  2. Step 2: Convert to fraction form
    3,186,209.60/4,779,314.40 = 1,191,406.40/x
  3. Step 3: Cross multiply
    3,186,209.60x = 4,779,314.40 × 1,191,406.40
  4. Step 4: Simplify right side
    3,186,209.60x = 5,694,105,763,772.16
  5. Step 5: Solve for x
    x = 5,694,105,763,772.16/3,186,209.60
  6. Step 6: Final answer
    x = 1,787,109.60

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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.