Home / 1,918,467.67-2,647,491.72-1,059,025.88

Finding the Fourth Proportional to 1,918,467.67, 2,647,491.72 and 1,059,025.88

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Solution

The fourth proportional to 1,918,467.67, 2,647,491.72 and 1,059,025.88 is: 1,461,459.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,467.67 : 2,647,491.72 = 1,059,025.88 : x
  2. Step 2: Convert to fraction form
    1,918,467.67/2,647,491.72 = 1,059,025.88/x
  3. Step 3: Cross multiply
    1,918,467.67x = 2,647,491.72 × 1,059,025.88
  4. Step 4: Simplify right side
    1,918,467.67x = 2,803,762,248,565.71
  5. Step 5: Solve for x
    x = 2,803,762,248,565.71/1,918,467.67
  6. Step 6: Final answer
    x = 1,461,459.21

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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.