Home / 4,018,125.80-6,021,939.90-1,620,007.40

Finding the Fourth Proportional to 4,018,125.80, 6,021,939.90 and 1,620,007.40

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Solution

The fourth proportional to 4,018,125.80, 6,021,939.90 and 1,620,007.40 is: 2,427,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018,125.80 : 6,021,939.90 = 1,620,007.40 : x
  2. Step 2: Convert to fraction form
    4,018,125.80/6,021,939.90 = 1,620,007.40/x
  3. Step 3: Cross multiply
    4,018,125.80x = 6,021,939.90 × 1,620,007.40
  4. Step 4: Simplify right side
    4,018,125.80x = 9,755,587,200,355.26
  5. Step 5: Solve for x
    x = 9,755,587,200,355.26/4,018,125.80
  6. Step 6: Final answer
    x = 2,427,894.92

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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.