Home / 4,976,278.40-7,464,417.60-2,135,907.20

Finding the Fourth Proportional to 4,976,278.40, 7,464,417.60 and 2,135,907.20

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Solution

The fourth proportional to 4,976,278.40, 7,464,417.60 and 2,135,907.20 is: 3,203,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976,278.40 : 7,464,417.60 = 2,135,907.20 : x
  2. Step 2: Convert to fraction form
    4,976,278.40/7,464,417.60 = 2,135,907.20/x
  3. Step 3: Cross multiply
    4,976,278.40x = 7,464,417.60 × 2,135,907.20
  4. Step 4: Simplify right side
    4,976,278.40x = 15,943,303,295,646.72
  5. Step 5: Solve for x
    x = 15,943,303,295,646.72/4,976,278.40
  6. Step 6: Final answer
    x = 3,203,860.80

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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.