Home / 2,578,918.10-3,558,986.98-1,417,343.20

Finding the Fourth Proportional to 2,578,918.10, 3,558,986.98 and 1,417,343.20

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Solution

The fourth proportional to 2,578,918.10, 3,558,986.98 and 1,417,343.20 is: 1,955,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,918.10 : 3,558,986.98 = 1,417,343.20 : x
  2. Step 2: Convert to fraction form
    2,578,918.10/3,558,986.98 = 1,417,343.20/x
  3. Step 3: Cross multiply
    2,578,918.10x = 3,558,986.98 × 1,417,343.20
  4. Step 4: Simplify right side
    2,578,918.10x = 5,044,305,982,550.71
  5. Step 5: Solve for x
    x = 5,044,305,982,550.71/2,578,918.10
  6. Step 6: Final answer
    x = 1,955,977.58

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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.