Home / 2,805,417.67-4,208,126.38-1,290,374.88

Finding the Fourth Proportional to 2,805,417.67, 4,208,126.38 and 1,290,374.88

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Solution

The fourth proportional to 2,805,417.67, 4,208,126.38 and 1,290,374.88 is: 1,935,562.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,417.67 : 4,208,126.38 = 1,290,374.88 : x
  2. Step 2: Convert to fraction form
    2,805,417.67/4,208,126.38 = 1,290,374.88/x
  3. Step 3: Cross multiply
    2,805,417.67x = 4,208,126.38 × 1,290,374.88
  4. Step 4: Simplify right side
    2,805,417.67x = 5,430,060,570,890.11
  5. Step 5: Solve for x
    x = 5,430,060,570,890.11/2,805,417.67
  6. Step 6: Final answer
    x = 1,935,562.26

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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.