Home / 5,427,418.40-8,142,308.40-1,640,802.40

Finding the Fourth Proportional to 5,427,418.40, 8,142,308.40 and 1,640,802.40

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Solution

The fourth proportional to 5,427,418.40, 8,142,308.40 and 1,640,802.40 is: 2,461,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,418.40 : 8,142,308.40 = 1,640,802.40 : x
  2. Step 2: Convert to fraction form
    5,427,418.40/8,142,308.40 = 1,640,802.40/x
  3. Step 3: Cross multiply
    5,427,418.40x = 8,142,308.40 × 1,640,802.40
  4. Step 4: Simplify right side
    5,427,418.40x = 13,359,919,164,260.16
  5. Step 5: Solve for x
    x = 13,359,919,164,260.16/5,427,418.40
  6. Step 6: Final answer
    x = 2,461,560.58

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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.