Home / 2,721,877.51-4,083,406.72-828,569.74

Finding the Fourth Proportional to 2,721,877.51, 4,083,406.72 and 828,569.74

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Solution

The fourth proportional to 2,721,877.51, 4,083,406.72 and 828,569.74 is: 1,243,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,877.51 : 4,083,406.72 = 828,569.74 : x
  2. Step 2: Convert to fraction form
    2,721,877.51/4,083,406.72 = 828,569.74/x
  3. Step 3: Cross multiply
    2,721,877.51x = 4,083,406.72 × 828,569.74
  4. Step 4: Simplify right side
    2,721,877.51x = 3,383,387,232,024.71
  5. Step 5: Solve for x
    x = 3,383,387,232,024.71/2,721,877.51
  6. Step 6: Final answer
    x = 1,243,034.35

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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.