Home / 3,128,187.40-4,692,281.10-2,791,608.10

Finding the Fourth Proportional to 3,128,187.40, 4,692,281.10 and 2,791,608.10

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Solution

The fourth proportional to 3,128,187.40, 4,692,281.10 and 2,791,608.10 is: 4,187,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,187.40 : 4,692,281.10 = 2,791,608.10 : x
  2. Step 2: Convert to fraction form
    3,128,187.40/4,692,281.10 = 2,791,608.10/x
  3. Step 3: Cross multiply
    3,128,187.40x = 4,692,281.10 × 2,791,608.10
  4. Step 4: Simplify right side
    3,128,187.40x = 13,099,009,926,236.91
  5. Step 5: Solve for x
    x = 13,099,009,926,236.91/3,128,187.40
  6. Step 6: Final answer
    x = 4,187,412.15

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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.