Home / 3,031,816.74-4,183,897.20-1,655,177.40

Finding the Fourth Proportional to 3,031,816.74, 4,183,897.20 and 1,655,177.40

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Solution

The fourth proportional to 3,031,816.74, 4,183,897.20 and 1,655,177.40 is: 2,284,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031,816.74 : 4,183,897.20 = 1,655,177.40 : x
  2. Step 2: Convert to fraction form
    3,031,816.74/4,183,897.20 = 1,655,177.40/x
  3. Step 3: Cross multiply
    3,031,816.74x = 4,183,897.20 × 1,655,177.40
  4. Step 4: Simplify right side
    3,031,816.74x = 6,925,092,089,363.28
  5. Step 5: Solve for x
    x = 6,925,092,089,363.28/3,031,816.74
  6. Step 6: Final answer
    x = 2,284,139.41

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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.