Home / 1,490,669.23-2,058,402.14-1,442,465.88

Finding the Fourth Proportional to 1,490,669.23, 2,058,402.14 and 1,442,465.88

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Solution

The fourth proportional to 1,490,669.23, 2,058,402.14 and 1,442,465.88 is: 1,991,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,669.23 : 2,058,402.14 = 1,442,465.88 : x
  2. Step 2: Convert to fraction form
    1,490,669.23/2,058,402.14 = 1,442,465.88/x
  3. Step 3: Cross multiply
    1,490,669.23x = 2,058,402.14 × 1,442,465.88
  4. Step 4: Simplify right side
    1,490,669.23x = 2,969,174,843,976.97
  5. Step 5: Solve for x
    x = 2,969,174,843,976.97/1,490,669.23
  6. Step 6: Final answer
    x = 1,991,840.16

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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.