Home / 2,812,567.65-4,218,820.71-682,651.77

Finding the Fourth Proportional to 2,812,567.65, 4,218,820.71 and 682,651.77

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Solution

The fourth proportional to 2,812,567.65, 4,218,820.71 and 682,651.77 is: 1,023,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,567.65 : 4,218,820.71 = 682,651.77 : x
  2. Step 2: Convert to fraction form
    2,812,567.65/4,218,820.71 = 682,651.77/x
  3. Step 3: Cross multiply
    2,812,567.65x = 4,218,820.71 × 682,651.77
  4. Step 4: Simplify right side
    2,812,567.65x = 2,879,985,406,613.64
  5. Step 5: Solve for x
    x = 2,879,985,406,613.64/2,812,567.65
  6. Step 6: Final answer
    x = 1,023,970.18

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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.