Home / 3,139,316.40-4,708,974.60-1,009,615.80

Finding the Fourth Proportional to 3,139,316.40, 4,708,974.60 and 1,009,615.80

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Solution

The fourth proportional to 3,139,316.40, 4,708,974.60 and 1,009,615.80 is: 1,514,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,316.40 : 4,708,974.60 = 1,009,615.80 : x
  2. Step 2: Convert to fraction form
    3,139,316.40/4,708,974.60 = 1,009,615.80/x
  3. Step 3: Cross multiply
    3,139,316.40x = 4,708,974.60 × 1,009,615.80
  4. Step 4: Simplify right side
    3,139,316.40x = 4,754,255,157,958.68
  5. Step 5: Solve for x
    x = 4,754,255,157,958.68/3,139,316.40
  6. Step 6: Final answer
    x = 1,514,423.70

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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.