Home / 1,917,377.10-2,646,035.76-1,057,992.72

Finding the Fourth Proportional to 1,917,377.10, 2,646,035.76 and 1,057,992.72

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Solution

The fourth proportional to 1,917,377.10, 2,646,035.76 and 1,057,992.72 is: 1,460,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,377.10 : 2,646,035.76 = 1,057,992.72 : x
  2. Step 2: Convert to fraction form
    1,917,377.10/2,646,035.76 = 1,057,992.72/x
  3. Step 3: Cross multiply
    1,917,377.10x = 2,646,035.76 × 1,057,992.72
  4. Step 4: Simplify right side
    1,917,377.10x = 2,799,486,570,939.67
  5. Step 5: Solve for x
    x = 2,799,486,570,939.67/1,917,377.10
  6. Step 6: Final answer
    x = 1,460,060.50

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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.