Home / 5,427,452.40-8,142,359.40-1,640,836.40

Finding the Fourth Proportional to 5,427,452.40, 8,142,359.40 and 1,640,836.40

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Solution

The fourth proportional to 5,427,452.40, 8,142,359.40 and 1,640,836.40 is: 2,461,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,452.40 : 8,142,359.40 = 1,640,836.40 : x
  2. Step 2: Convert to fraction form
    5,427,452.40/8,142,359.40 = 1,640,836.40/x
  3. Step 3: Cross multiply
    5,427,452.40x = 8,142,359.40 × 1,640,836.40
  4. Step 4: Simplify right side
    5,427,452.40x = 13,360,279,685,402.16
  5. Step 5: Solve for x
    x = 13,360,279,685,402.16/5,427,452.40
  6. Step 6: Final answer
    x = 2,461,611.58

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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.