Home / 4,919,365.64-6,788,432.28-2,854,221.23

Finding the Fourth Proportional to 4,919,365.64, 6,788,432.28 and 2,854,221.23

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Solution

The fourth proportional to 4,919,365.64, 6,788,432.28 and 2,854,221.23 is: 3,938,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919,365.64 : 6,788,432.28 = 2,854,221.23 : x
  2. Step 2: Convert to fraction form
    4,919,365.64/6,788,432.28 = 2,854,221.23/x
  3. Step 3: Cross multiply
    4,919,365.64x = 6,788,432.28 × 2,854,221.23
  4. Step 4: Simplify right side
    4,919,365.64x = 19,375,687,531,993.30
  5. Step 5: Solve for x
    x = 19,375,687,531,993.30/4,919,365.64
  6. Step 6: Final answer
    x = 3,938,655.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.