Home / 2,666,721.23-3,680,085.05-1,443,026.77

Finding the Fourth Proportional to 2,666,721.23, 3,680,085.05 and 1,443,026.77

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Solution

The fourth proportional to 2,666,721.23, 3,680,085.05 and 1,443,026.77 is: 1,991,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,721.23 : 3,680,085.05 = 1,443,026.77 : x
  2. Step 2: Convert to fraction form
    2,666,721.23/3,680,085.05 = 1,443,026.77/x
  3. Step 3: Cross multiply
    2,666,721.23x = 3,680,085.05 × 1,443,026.77
  4. Step 4: Simplify right side
    2,666,721.23x = 5,310,461,243,026.79
  5. Step 5: Solve for x
    x = 5,310,461,243,026.79/2,666,721.23
  6. Step 6: Final answer
    x = 1,991,382.22

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1.5x scale

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.