Home / 1,937,201.78-2,672,225.24-1,210,788.82

Finding the Fourth Proportional to 1,937,201.78, 2,672,225.24 and 1,210,788.82

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Solution

The fourth proportional to 1,937,201.78, 2,672,225.24 and 1,210,788.82 is: 1,670,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,201.78 : 2,672,225.24 = 1,210,788.82 : x
  2. Step 2: Convert to fraction form
    1,937,201.78/2,672,225.24 = 1,210,788.82/x
  3. Step 3: Cross multiply
    1,937,201.78x = 2,672,225.24 × 1,210,788.82
  4. Step 4: Simplify right side
    1,937,201.78x = 3,235,500,445,113.82
  5. Step 5: Solve for x
    x = 3,235,500,445,113.82/1,937,201.78
  6. Step 6: Final answer
    x = 1,670,192.79

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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.