Home / 2,686,479.40-4,028,649.90-888,862.60

Finding the Fourth Proportional to 2,686,479.40, 4,028,649.90 and 888,862.60

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Solution

The fourth proportional to 2,686,479.40, 4,028,649.90 and 888,862.60 is: 1,332,940.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,479.40 : 4,028,649.90 = 888,862.60 : x
  2. Step 2: Convert to fraction form
    2,686,479.40/4,028,649.90 = 888,862.60/x
  3. Step 3: Cross multiply
    2,686,479.40x = 4,028,649.90 × 888,862.60
  4. Step 4: Simplify right side
    2,686,479.40x = 3,580,916,224,603.74
  5. Step 5: Solve for x
    x = 3,580,916,224,603.74/2,686,479.40
  6. Step 6: Final answer
    x = 1,332,940.14

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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.