Home / 2,053,385.74-2,830,708.11-1,407,783.34

Finding the Fourth Proportional to 2,053,385.74, 2,830,708.11 and 1,407,783.34

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Solution

The fourth proportional to 2,053,385.74, 2,830,708.11 and 1,407,783.34 is: 1,940,708.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053,385.74 : 2,830,708.11 = 1,407,783.34 : x
  2. Step 2: Convert to fraction form
    2,053,385.74/2,830,708.11 = 1,407,783.34/x
  3. Step 3: Cross multiply
    2,053,385.74x = 2,830,708.11 × 1,407,783.34
  4. Step 4: Simplify right side
    2,053,385.74x = 3,985,023,717,660.89
  5. Step 5: Solve for x
    x = 3,985,023,717,660.89/2,053,385.74
  6. Step 6: Final answer
    x = 1,940,708.77

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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.