Home / 1,580,966.16-2,181,738.52-855,813.68

Finding the Fourth Proportional to 1,580,966.16, 2,181,738.52 and 855,813.68

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Solution

The fourth proportional to 1,580,966.16, 2,181,738.52 and 855,813.68 is: 1,181,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,966.16 : 2,181,738.52 = 855,813.68 : x
  2. Step 2: Convert to fraction form
    1,580,966.16/2,181,738.52 = 855,813.68/x
  3. Step 3: Cross multiply
    1,580,966.16x = 2,181,738.52 × 855,813.68
  4. Step 4: Simplify right side
    1,580,966.16x = 1,867,161,671,598.95
  5. Step 5: Solve for x
    x = 1,867,161,671,598.95/1,580,966.16
  6. Step 6: Final answer
    x = 1,181,025.70

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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.