Home / 2,811,436.80-4,217,155.20-1,295,116.80

Finding the Fourth Proportional to 2,811,436.80, 4,217,155.20 and 1,295,116.80

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Solution

The fourth proportional to 2,811,436.80, 4,217,155.20 and 1,295,116.80 is: 1,942,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,436.80 : 4,217,155.20 = 1,295,116.80 : x
  2. Step 2: Convert to fraction form
    2,811,436.80/4,217,155.20 = 1,295,116.80/x
  3. Step 3: Cross multiply
    2,811,436.80x = 4,217,155.20 × 1,295,116.80
  4. Step 4: Simplify right side
    2,811,436.80x = 5,461,708,547,727.36
  5. Step 5: Solve for x
    x = 5,461,708,547,727.36/2,811,436.80
  6. Step 6: Final answer
    x = 1,942,675.20

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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.