Home / 2,976,013.80-4,107,219.96-1,686,715.80

Finding the Fourth Proportional to 2,976,013.80, 4,107,219.96 and 1,686,715.80

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Solution

The fourth proportional to 2,976,013.80, 4,107,219.96 and 1,686,715.80 is: 2,327,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,013.80 : 4,107,219.96 = 1,686,715.80 : x
  2. Step 2: Convert to fraction form
    2,976,013.80/4,107,219.96 = 1,686,715.80/x
  3. Step 3: Cross multiply
    2,976,013.80x = 4,107,219.96 × 1,686,715.80
  4. Step 4: Simplify right side
    2,976,013.80x = 6,927,712,800,607.37
  5. Step 5: Solve for x
    x = 6,927,712,800,607.37/2,976,013.80
  6. Step 6: Final answer
    x = 2,327,849.69

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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.