Home / 2,869,476.12-3,959,828.76-1,580,436.52

Finding the Fourth Proportional to 2,869,476.12, 3,959,828.76 and 1,580,436.52

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Solution

The fourth proportional to 2,869,476.12, 3,959,828.76 and 1,580,436.52 is: 2,180,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,476.12 : 3,959,828.76 = 1,580,436.52 : x
  2. Step 2: Convert to fraction form
    2,869,476.12/3,959,828.76 = 1,580,436.52/x
  3. Step 3: Cross multiply
    2,869,476.12x = 3,959,828.76 × 1,580,436.52
  4. Step 4: Simplify right side
    2,869,476.12x = 6,258,257,985,250.32
  5. Step 5: Solve for x
    x = 6,258,257,985,250.32/2,869,476.12
  6. Step 6: Final answer
    x = 2,180,975.80

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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.