Home / 4,292,605.60-6,438,908.40-1,300,400.80

Finding the Fourth Proportional to 4,292,605.60, 6,438,908.40 and 1,300,400.80

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Solution

The fourth proportional to 4,292,605.60, 6,438,908.40 and 1,300,400.80 is: 1,950,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292,605.60 : 6,438,908.40 = 1,300,400.80 : x
  2. Step 2: Convert to fraction form
    4,292,605.60/6,438,908.40 = 1,300,400.80/x
  3. Step 3: Cross multiply
    4,292,605.60x = 6,438,908.40 × 1,300,400.80
  4. Step 4: Simplify right side
    4,292,605.60x = 8,373,161,634,486.72
  5. Step 5: Solve for x
    x = 8,373,161,634,486.72/4,292,605.60
  6. Step 6: Final answer
    x = 1,950,601.20

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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.