Home / 2,715,784.29-4,074,117.36-918,777.15

Finding the Fourth Proportional to 2,715,784.29, 4,074,117.36 and 918,777.15

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Solution

The fourth proportional to 2,715,784.29, 4,074,117.36 and 918,777.15 is: 1,378,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,784.29 : 4,074,117.36 = 918,777.15 : x
  2. Step 2: Convert to fraction form
    2,715,784.29/4,074,117.36 = 918,777.15/x
  3. Step 3: Cross multiply
    2,715,784.29x = 4,074,117.36 × 918,777.15
  4. Step 4: Simplify right side
    2,715,784.29x = 3,743,205,936,786.32
  5. Step 5: Solve for x
    x = 3,743,205,936,786.32/2,715,784.29
  6. Step 6: Final answer
    x = 1,378,314.89

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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.