Home / 2,779,128.66-4,165,802.88-1,074,442.81

Finding the Fourth Proportional to 2,779,128.66, 4,165,802.88 and 1,074,442.81

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Solution

The fourth proportional to 2,779,128.66, 4,165,802.88 and 1,074,442.81 is: 1,610,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,128.66 : 4,165,802.88 = 1,074,442.81 : x
  2. Step 2: Convert to fraction form
    2,779,128.66/4,165,802.88 = 1,074,442.81/x
  3. Step 3: Cross multiply
    2,779,128.66x = 4,165,802.88 × 1,074,442.81
  4. Step 4: Simplify right side
    2,779,128.66x = 4,475,916,934,129.97
  5. Step 5: Solve for x
    x = 4,475,916,934,129.97/2,779,128.66
  6. Step 6: Final answer
    x = 1,610,546.86

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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.