Home / 1,953,614.80-2,930,422.20-1,638,686.80

Finding the Fourth Proportional to 1,953,614.80, 2,930,422.20 and 1,638,686.80

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Solution

The fourth proportional to 1,953,614.80, 2,930,422.20 and 1,638,686.80 is: 2,458,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,614.80 : 2,930,422.20 = 1,638,686.80 : x
  2. Step 2: Convert to fraction form
    1,953,614.80/2,930,422.20 = 1,638,686.80/x
  3. Step 3: Cross multiply
    1,953,614.80x = 2,930,422.20 × 1,638,686.80
  4. Step 4: Simplify right side
    1,953,614.80x = 4,802,044,177,566.96
  5. Step 5: Solve for x
    x = 4,802,044,177,566.96/1,953,614.80
  6. Step 6: Final answer
    x = 2,458,030.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.