Home / 2,911,750.02-4,017,885.30-1,687,802.61

Finding the Fourth Proportional to 2,911,750.02, 4,017,885.30 and 1,687,802.61

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Solution

The fourth proportional to 2,911,750.02, 4,017,885.30 and 1,687,802.61 is: 2,328,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,750.02 : 4,017,885.30 = 1,687,802.61 : x
  2. Step 2: Convert to fraction form
    2,911,750.02/4,017,885.30 = 1,687,802.61/x
  3. Step 3: Cross multiply
    2,911,750.02x = 4,017,885.30 × 1,687,802.61
  4. Step 4: Simplify right side
    2,911,750.02x = 6,781,397,296,020.63
  5. Step 5: Solve for x
    x = 6,781,397,296,020.63/2,911,750.02
  6. Step 6: Final answer
    x = 2,328,976.47

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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.