Home / 3,422,271.60-5,133,407.40-1,292,425.20

Finding the Fourth Proportional to 3,422,271.60, 5,133,407.40 and 1,292,425.20

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Solution

The fourth proportional to 3,422,271.60, 5,133,407.40 and 1,292,425.20 is: 1,938,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,271.60 : 5,133,407.40 = 1,292,425.20 : x
  2. Step 2: Convert to fraction form
    3,422,271.60/5,133,407.40 = 1,292,425.20/x
  3. Step 3: Cross multiply
    3,422,271.60x = 5,133,407.40 × 1,292,425.20
  4. Step 4: Simplify right side
    3,422,271.60x = 6,634,545,085,626.48
  5. Step 5: Solve for x
    x = 6,634,545,085,626.48/3,422,271.60
  6. Step 6: Final answer
    x = 1,938,637.80

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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.