Home / 3,878,948.40-5,815,717.56-1,718,798.64

Finding the Fourth Proportional to 3,878,948.40, 5,815,717.56 and 1,718,798.64

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Solution

The fourth proportional to 3,878,948.40, 5,815,717.56 and 1,718,798.64 is: 2,576,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,948.40 : 5,815,717.56 = 1,718,798.64 : x
  2. Step 2: Convert to fraction form
    3,878,948.40/5,815,717.56 = 1,718,798.64/x
  3. Step 3: Cross multiply
    3,878,948.40x = 5,815,717.56 × 1,718,798.64
  4. Step 4: Simplify right side
    3,878,948.40x = 9,996,047,432,752.12
  5. Step 5: Solve for x
    x = 9,996,047,432,752.12/3,878,948.40
  6. Step 6: Final answer
    x = 2,576,999.33

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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.