Home / 3,445,965.12-4,755,432-1,918,039.44

Finding the Fourth Proportional to 3,445,965.12, 4,755,432 and 1,918,039.44

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Solution

The fourth proportional to 3,445,965.12, 4,755,432 and 1,918,039.44 is: 2,646,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,965.12 : 4,755,432 = 1,918,039.44 : x
  2. Step 2: Convert to fraction form
    3,445,965.12/4,755,432 = 1,918,039.44/x
  3. Step 3: Cross multiply
    3,445,965.12x = 4,755,432 × 1,918,039.44
  4. Step 4: Simplify right side
    3,445,965.12x = 9,121,106,130,238.08
  5. Step 5: Solve for x
    x = 9,121,106,130,238.08/3,445,965.12
  6. Step 6: Final answer
    x = 2,646,894.50

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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.