Home / 1,490,159.31-2,053,960.38-1,054,013.19

Finding the Fourth Proportional to 1,490,159.31, 2,053,960.38 and 1,054,013.19

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Solution

The fourth proportional to 1,490,159.31, 2,053,960.38 and 1,054,013.19 is: 1,452,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,159.31 : 2,053,960.38 = 1,054,013.19 : x
  2. Step 2: Convert to fraction form
    1,490,159.31/2,053,960.38 = 1,054,013.19/x
  3. Step 3: Cross multiply
    1,490,159.31x = 2,053,960.38 × 1,054,013.19
  4. Step 4: Simplify right side
    1,490,159.31x = 2,164,901,332,257.41
  5. Step 5: Solve for x
    x = 2,164,901,332,257.41/1,490,159.31
  6. Step 6: Final answer
    x = 1,452,798.58

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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.