Home / 2,765,325.60-4,147,988.40-872,647.20

Finding the Fourth Proportional to 2,765,325.60, 4,147,988.40 and 872,647.20

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Solution

The fourth proportional to 2,765,325.60, 4,147,988.40 and 872,647.20 is: 1,308,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,325.60 : 4,147,988.40 = 872,647.20 : x
  2. Step 2: Convert to fraction form
    2,765,325.60/4,147,988.40 = 872,647.20/x
  3. Step 3: Cross multiply
    2,765,325.60x = 4,147,988.40 × 872,647.20
  4. Step 4: Simplify right side
    2,765,325.60x = 3,619,730,462,892.48
  5. Step 5: Solve for x
    x = 3,619,730,462,892.48/2,765,325.60
  6. Step 6: Final answer
    x = 1,308,970.80

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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.