Home / 1,802,691.40-2,487,541.44-1,077,394.72

Finding the Fourth Proportional to 1,802,691.40, 2,487,541.44 and 1,077,394.72

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Solution

The fourth proportional to 1,802,691.40, 2,487,541.44 and 1,077,394.72 is: 1,486,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,691.40 : 2,487,541.44 = 1,077,394.72 : x
  2. Step 2: Convert to fraction form
    1,802,691.40/2,487,541.44 = 1,077,394.72/x
  3. Step 3: Cross multiply
    1,802,691.40x = 2,487,541.44 × 1,077,394.72
  4. Step 4: Simplify right side
    1,802,691.40x = 2,680,064,013,237.20
  5. Step 5: Solve for x
    x = 2,680,064,013,237.20/1,802,691.40
  6. Step 6: Final answer
    x = 1,486,701.50

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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.