Home / 1,567,510.78-2,163,187.30-1,174,347.12

Finding the Fourth Proportional to 1,567,510.78, 2,163,187.30 and 1,174,347.12

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Solution

The fourth proportional to 1,567,510.78, 2,163,187.30 and 1,174,347.12 is: 1,620,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,510.78 : 2,163,187.30 = 1,174,347.12 : x
  2. Step 2: Convert to fraction form
    1,567,510.78/2,163,187.30 = 1,174,347.12/x
  3. Step 3: Cross multiply
    1,567,510.78x = 2,163,187.30 × 1,174,347.12
  4. Step 4: Simplify right side
    1,567,510.78x = 2,540,332,775,775.58
  5. Step 5: Solve for x
    x = 2,540,332,775,775.58/1,567,510.78
  6. Step 6: Final answer
    x = 1,620,615.82

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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.