Home / 2,718,812.90-4,077,955.02-825,570.74

Finding the Fourth Proportional to 2,718,812.90, 4,077,955.02 and 825,570.74

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Solution

The fourth proportional to 2,718,812.90, 4,077,955.02 and 825,570.74 is: 1,238,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,812.90 : 4,077,955.02 = 825,570.74 : x
  2. Step 2: Convert to fraction form
    2,718,812.90/4,077,955.02 = 825,570.74/x
  3. Step 3: Cross multiply
    2,718,812.90x = 4,077,955.02 × 825,570.74
  4. Step 4: Simplify right side
    2,718,812.90x = 3,366,640,343,548.12
  5. Step 5: Solve for x
    x = 3,366,640,343,548.12/2,718,812.90
  6. Step 6: Final answer
    x = 1,238,275.85

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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.