Home / 5,254,646.40-7,881,969.60-2,857,564.80

Finding the Fourth Proportional to 5,254,646.40, 7,881,969.60 and 2,857,564.80

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Solution

The fourth proportional to 5,254,646.40, 7,881,969.60 and 2,857,564.80 is: 4,286,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254,646.40 : 7,881,969.60 = 2,857,564.80 : x
  2. Step 2: Convert to fraction form
    5,254,646.40/7,881,969.60 = 2,857,564.80/x
  3. Step 3: Cross multiply
    5,254,646.40x = 7,881,969.60 × 2,857,564.80
  4. Step 4: Simplify right side
    5,254,646.40x = 22,523,238,883,630.08
  5. Step 5: Solve for x
    x = 22,523,238,883,630.08/5,254,646.40
  6. Step 6: Final answer
    x = 4,286,347.20

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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.