Home / 3,495,592.32-5,242,119.84-1,220,478

Finding the Fourth Proportional to 3,495,592.32, 5,242,119.84 and 1,220,478

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Solution

The fourth proportional to 3,495,592.32, 5,242,119.84 and 1,220,478 is: 1,830,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495,592.32 : 5,242,119.84 = 1,220,478 : x
  2. Step 2: Convert to fraction form
    3,495,592.32/5,242,119.84 = 1,220,478/x
  3. Step 3: Cross multiply
    3,495,592.32x = 5,242,119.84 × 1,220,478
  4. Step 4: Simplify right side
    3,495,592.32x = 6,397,891,938,083.52
  5. Step 5: Solve for x
    x = 6,397,891,938,083.52/3,495,592.32
  6. Step 6: Final answer
    x = 1,830,274.06

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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.