Home / 2,851,213-3,934,681.16-1,562,078.92

Finding the Fourth Proportional to 2,851,213, 3,934,681.16 and 1,562,078.92

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Solution

The fourth proportional to 2,851,213, 3,934,681.16 and 1,562,078.92 is: 2,155,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,213 : 3,934,681.16 = 1,562,078.92 : x
  2. Step 2: Convert to fraction form
    2,851,213/3,934,681.16 = 1,562,078.92/x
  3. Step 3: Cross multiply
    2,851,213x = 3,934,681.16 × 1,562,078.92
  4. Step 4: Simplify right side
    2,851,213x = 6,146,282,496,957.15
  5. Step 5: Solve for x
    x = 6,146,282,496,957.15/2,851,213
  6. Step 6: Final answer
    x = 2,155,672.87

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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.