Home / 2,126,413.60-3,189,620.40-706,688.80

Finding the Fourth Proportional to 2,126,413.60, 3,189,620.40 and 706,688.80

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Solution

The fourth proportional to 2,126,413.60, 3,189,620.40 and 706,688.80 is: 1,060,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,413.60 : 3,189,620.40 = 706,688.80 : x
  2. Step 2: Convert to fraction form
    2,126,413.60/3,189,620.40 = 706,688.80/x
  3. Step 3: Cross multiply
    2,126,413.60x = 3,189,620.40 × 706,688.80
  4. Step 4: Simplify right side
    2,126,413.60x = 2,254,069,012,931.52
  5. Step 5: Solve for x
    x = 2,254,069,012,931.52/2,126,413.60
  6. Step 6: Final answer
    x = 1,060,033.20

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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.