Home / 2,869,388.12-3,959,707.75-1,580,348.45

Finding the Fourth Proportional to 2,869,388.12, 3,959,707.75 and 1,580,348.45

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Solution

The fourth proportional to 2,869,388.12, 3,959,707.75 and 1,580,348.45 is: 2,180,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,388.12 : 3,959,707.75 = 1,580,348.45 : x
  2. Step 2: Convert to fraction form
    2,869,388.12/3,959,707.75 = 1,580,348.45/x
  3. Step 3: Cross multiply
    2,869,388.12x = 3,959,707.75 × 1,580,348.45
  4. Step 4: Simplify right side
    2,869,388.12x = 6,257,717,985,366.95
  5. Step 5: Solve for x
    x = 6,257,717,985,366.95/2,869,388.12
  6. Step 6: Final answer
    x = 2,180,854.50

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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.