Home / 2,577,356.61-3,556,651.99-1,431,509.55

Finding the Fourth Proportional to 2,577,356.61, 3,556,651.99 and 1,431,509.55

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Solution

The fourth proportional to 2,577,356.61, 3,556,651.99 and 1,431,509.55 is: 1,975,427.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577,356.61 : 3,556,651.99 = 1,431,509.55 : x
  2. Step 2: Convert to fraction form
    2,577,356.61/3,556,651.99 = 1,431,509.55/x
  3. Step 3: Cross multiply
    2,577,356.61x = 3,556,651.99 × 1,431,509.55
  4. Step 4: Simplify right side
    2,577,356.61x = 5,091,381,289,711.51
  5. Step 5: Solve for x
    x = 5,091,381,289,711.51/2,577,356.61
  6. Step 6: Final answer
    x = 1,975,427.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.