Home / 3,865,684.86-5,334,498.99-2,146,916.10

Finding the Fourth Proportional to 3,865,684.86, 5,334,498.99 and 2,146,916.10

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Solution

The fourth proportional to 3,865,684.86, 5,334,498.99 and 2,146,916.10 is: 2,962,663.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,684.86 : 5,334,498.99 = 2,146,916.10 : x
  2. Step 2: Convert to fraction form
    3,865,684.86/5,334,498.99 = 2,146,916.10/x
  3. Step 3: Cross multiply
    3,865,684.86x = 5,334,498.99 × 2,146,916.10
  4. Step 4: Simplify right side
    3,865,684.86x = 11,452,721,767,064.74
  5. Step 5: Solve for x
    x = 11,452,721,767,064.74/3,865,684.86
  6. Step 6: Final answer
    x = 2,962,663.07

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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.