Home / 2,918,151.36-4,027,116.69-1,830,468.78

Finding the Fourth Proportional to 2,918,151.36, 4,027,116.69 and 1,830,468.78

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Solution

The fourth proportional to 2,918,151.36, 4,027,116.69 and 1,830,468.78 is: 2,526,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,151.36 : 4,027,116.69 = 1,830,468.78 : x
  2. Step 2: Convert to fraction form
    2,918,151.36/4,027,116.69 = 1,830,468.78/x
  3. Step 3: Cross multiply
    2,918,151.36x = 4,027,116.69 × 1,830,468.78
  4. Step 4: Simplify right side
    2,918,151.36x = 7,371,511,374,461.94
  5. Step 5: Solve for x
    x = 7,371,511,374,461.94/2,918,151.36
  6. Step 6: Final answer
    x = 2,526,089.45

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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.