Home / 2,117,347.80-2,921,957.81-1,150,478.15

Finding the Fourth Proportional to 2,117,347.80, 2,921,957.81 and 1,150,478.15

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Solution

The fourth proportional to 2,117,347.80, 2,921,957.81 and 1,150,478.15 is: 1,587,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,347.80 : 2,921,957.81 = 1,150,478.15 : x
  2. Step 2: Convert to fraction form
    2,117,347.80/2,921,957.81 = 1,150,478.15/x
  3. Step 3: Cross multiply
    2,117,347.80x = 2,921,957.81 × 1,150,478.15
  4. Step 4: Simplify right side
    2,117,347.80x = 3,361,648,595,264.67
  5. Step 5: Solve for x
    x = 3,361,648,595,264.67/2,117,347.80
  6. Step 6: Final answer
    x = 1,587,669.53

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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.