Home / 2,918,755.41-4,374,335.54-1,187,607.80

Finding the Fourth Proportional to 2,918,755.41, 4,374,335.54 and 1,187,607.80

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Solution

The fourth proportional to 2,918,755.41, 4,374,335.54 and 1,187,607.80 is: 1,779,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,755.41 : 4,374,335.54 = 1,187,607.80 : x
  2. Step 2: Convert to fraction form
    2,918,755.41/4,374,335.54 = 1,187,607.80/x
  3. Step 3: Cross multiply
    2,918,755.41x = 4,374,335.54 × 1,187,607.80
  4. Step 4: Simplify right side
    2,918,755.41x = 5,194,994,979,311.50
  5. Step 5: Solve for x
    x = 5,194,994,979,311.50/2,918,755.41
  6. Step 6: Final answer
    x = 1,779,866.50

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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.