Home / 3,146,413.30-4,719,606.48-871,931.20

Finding the Fourth Proportional to 3,146,413.30, 4,719,606.48 and 871,931.20

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Solution

The fourth proportional to 3,146,413.30, 4,719,606.48 and 871,931.20 is: 1,307,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,413.30 : 4,719,606.48 = 871,931.20 : x
  2. Step 2: Convert to fraction form
    3,146,413.30/4,719,606.48 = 871,931.20/x
  3. Step 3: Cross multiply
    3,146,413.30x = 4,719,606.48 × 871,931.20
  4. Step 4: Simplify right side
    3,146,413.30x = 4,115,172,141,634.18
  5. Step 5: Solve for x
    x = 4,115,172,141,634.18/3,146,413.30
  6. Step 6: Final answer
    x = 1,307,893.07

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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.