Home / 2,128,782.18-2,941,562.18-1,515,870.86

Finding the Fourth Proportional to 2,128,782.18, 2,941,562.18 and 1,515,870.86

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Solution

The fourth proportional to 2,128,782.18, 2,941,562.18 and 1,515,870.86 is: 2,094,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,782.18 : 2,941,562.18 = 1,515,870.86 : x
  2. Step 2: Convert to fraction form
    2,128,782.18/2,941,562.18 = 1,515,870.86/x
  3. Step 3: Cross multiply
    2,128,782.18x = 2,941,562.18 × 1,515,870.86
  4. Step 4: Simplify right side
    2,128,782.18x = 4,459,028,385,132.97
  5. Step 5: Solve for x
    x = 4,459,028,385,132.97/2,128,782.18
  6. Step 6: Final answer
    x = 2,094,638.16

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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.