Home / 3,119,842.77-4,304,987.22-1,830,212.61

Finding the Fourth Proportional to 3,119,842.77, 4,304,987.22 and 1,830,212.61

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Solution

The fourth proportional to 3,119,842.77, 4,304,987.22 and 1,830,212.61 is: 2,525,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,842.77 : 4,304,987.22 = 1,830,212.61 : x
  2. Step 2: Convert to fraction form
    3,119,842.77/4,304,987.22 = 1,830,212.61/x
  3. Step 3: Cross multiply
    3,119,842.77x = 4,304,987.22 × 1,830,212.61
  4. Step 4: Simplify right side
    3,119,842.77x = 7,879,041,895,932.84
  5. Step 5: Solve for x
    x = 7,879,041,895,932.84/3,119,842.77
  6. Step 6: Final answer
    x = 2,525,461.21

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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.