Home / 3,107,843.20-4,662,275.10-977,413.60

Finding the Fourth Proportional to 3,107,843.20, 4,662,275.10 and 977,413.60

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Solution

The fourth proportional to 3,107,843.20, 4,662,275.10 and 977,413.60 is: 1,466,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,843.20 : 4,662,275.10 = 977,413.60 : x
  2. Step 2: Convert to fraction form
    3,107,843.20/4,662,275.10 = 977,413.60/x
  3. Step 3: Cross multiply
    3,107,843.20x = 4,662,275.10 × 977,413.60
  4. Step 4: Simplify right side
    3,107,843.20x = 4,556,971,089,681.36
  5. Step 5: Solve for x
    x = 4,556,971,089,681.36/3,107,843.20
  6. Step 6: Final answer
    x = 1,466,280.89

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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.