Home / 2,012,031.80-3,018,047.70-664,402.40

Finding the Fourth Proportional to 2,012,031.80, 3,018,047.70 and 664,402.40

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Solution

The fourth proportional to 2,012,031.80, 3,018,047.70 and 664,402.40 is: 996,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,031.80 : 3,018,047.70 = 664,402.40 : x
  2. Step 2: Convert to fraction form
    2,012,031.80/3,018,047.70 = 664,402.40/x
  3. Step 3: Cross multiply
    2,012,031.80x = 3,018,047.70 × 664,402.40
  4. Step 4: Simplify right side
    2,012,031.80x = 2,005,198,135,194.48
  5. Step 5: Solve for x
    x = 2,005,198,135,194.48/2,012,031.80
  6. Step 6: Final answer
    x = 996,603.60

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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.