Home / 1,910,520.40-2,872,001.40-1,353,413.20

Finding the Fourth Proportional to 1,910,520.40, 2,872,001.40 and 1,353,413.20

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Solution

The fourth proportional to 1,910,520.40, 2,872,001.40 and 1,353,413.20 is: 2,034,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,520.40 : 2,872,001.40 = 1,353,413.20 : x
  2. Step 2: Convert to fraction form
    1,910,520.40/2,872,001.40 = 1,353,413.20/x
  3. Step 3: Cross multiply
    1,910,520.40x = 2,872,001.40 × 1,353,413.20
  4. Step 4: Simplify right side
    1,910,520.40x = 3,887,004,605,178.48
  5. Step 5: Solve for x
    x = 3,887,004,605,178.48/1,910,520.40
  6. Step 6: Final answer
    x = 2,034,526.62

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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.