Home / 2,159,612.50-2,980,265.49-1,254,252.82

Finding the Fourth Proportional to 2,159,612.50, 2,980,265.49 and 1,254,252.82

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Solution

The fourth proportional to 2,159,612.50, 2,980,265.49 and 1,254,252.82 is: 1,730,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,612.50 : 2,980,265.49 = 1,254,252.82 : x
  2. Step 2: Convert to fraction form
    2,159,612.50/2,980,265.49 = 1,254,252.82/x
  3. Step 3: Cross multiply
    2,159,612.50x = 2,980,265.49 × 1,254,252.82
  4. Step 4: Simplify right side
    2,159,612.50x = 3,738,006,395,181.18
  5. Step 5: Solve for x
    x = 3,738,006,395,181.18/2,159,612.50
  6. Step 6: Final answer
    x = 1,730,869.03

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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.