Home / 3,219,518.52-4,441,966.67-1,929,888.36

Finding the Fourth Proportional to 3,219,518.52, 4,441,966.67 and 1,929,888.36

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Solution

The fourth proportional to 3,219,518.52, 4,441,966.67 and 1,929,888.36 is: 2,662,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,518.52 : 4,441,966.67 = 1,929,888.36 : x
  2. Step 2: Convert to fraction form
    3,219,518.52/4,441,966.67 = 1,929,888.36/x
  3. Step 3: Cross multiply
    3,219,518.52x = 4,441,966.67 × 1,929,888.36
  4. Step 4: Simplify right side
    3,219,518.52x = 8,572,499,762,291.52
  5. Step 5: Solve for x
    x = 8,572,499,762,291.52/3,219,518.52
  6. Step 6: Final answer
    x = 2,662,665.15

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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.