Home / 2,772,767.12-4,158,521.91-1,255,448.39

Finding the Fourth Proportional to 2,772,767.12, 4,158,521.91 and 1,255,448.39

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Solution

The fourth proportional to 2,772,767.12, 4,158,521.91 and 1,255,448.39 is: 1,882,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,767.12 : 4,158,521.91 = 1,255,448.39 : x
  2. Step 2: Convert to fraction form
    2,772,767.12/4,158,521.91 = 1,255,448.39/x
  3. Step 3: Cross multiply
    2,772,767.12x = 4,158,521.91 × 1,255,448.39
  4. Step 4: Simplify right side
    2,772,767.12x = 5,220,809,636,689.22
  5. Step 5: Solve for x
    x = 5,220,809,636,689.22/2,772,767.12
  6. Step 6: Final answer
    x = 1,882,887.89

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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.