Home / 2,778,591.96-4,167,842.40-885,307.68

Finding the Fourth Proportional to 2,778,591.96, 4,167,842.40 and 885,307.68

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Solution

The fourth proportional to 2,778,591.96, 4,167,842.40 and 885,307.68 is: 1,327,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,591.96 : 4,167,842.40 = 885,307.68 : x
  2. Step 2: Convert to fraction form
    2,778,591.96/4,167,842.40 = 885,307.68/x
  3. Step 3: Cross multiply
    2,778,591.96x = 4,167,842.40 × 885,307.68
  4. Step 4: Simplify right side
    2,778,591.96x = 3,689,822,885,749.63
  5. Step 5: Solve for x
    x = 3,689,822,885,749.63/2,778,591.96
  6. Step 6: Final answer
    x = 1,327,947.01

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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.