Home / 5,390,327.80-8,085,491.70-3,571,618.60

Finding the Fourth Proportional to 5,390,327.80, 8,085,491.70 and 3,571,618.60

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Solution

The fourth proportional to 5,390,327.80, 8,085,491.70 and 3,571,618.60 is: 5,357,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,327.80 : 8,085,491.70 = 3,571,618.60 : x
  2. Step 2: Convert to fraction form
    5,390,327.80/8,085,491.70 = 3,571,618.60/x
  3. Step 3: Cross multiply
    5,390,327.80x = 8,085,491.70 × 3,571,618.60
  4. Step 4: Simplify right side
    5,390,327.80x = 28,878,292,545,865.62
  5. Step 5: Solve for x
    x = 28,878,292,545,865.62/5,390,327.80
  6. Step 6: Final answer
    x = 5,357,427.90

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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.