Home / 5,256,021.20-7,884,031.80-3,010,312.40

Finding the Fourth Proportional to 5,256,021.20, 7,884,031.80 and 3,010,312.40

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Solution

The fourth proportional to 5,256,021.20, 7,884,031.80 and 3,010,312.40 is: 4,515,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256,021.20 : 7,884,031.80 = 3,010,312.40 : x
  2. Step 2: Convert to fraction form
    5,256,021.20/7,884,031.80 = 3,010,312.40/x
  3. Step 3: Cross multiply
    5,256,021.20x = 7,884,031.80 × 3,010,312.40
  4. Step 4: Simplify right side
    5,256,021.20x = 23,733,398,689,534.32
  5. Step 5: Solve for x
    x = 23,733,398,689,534.32/5,256,021.20
  6. Step 6: Final answer
    x = 4,515,468.60

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Similar ratio
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1.5x scale

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.