Home / 1,916,173.11-2,873,190.61-636,085.40

Finding the Fourth Proportional to 1,916,173.11, 2,873,190.61 and 636,085.40

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Solution

The fourth proportional to 1,916,173.11, 2,873,190.61 and 636,085.40 is: 953,773.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,173.11 : 2,873,190.61 = 636,085.40 : x
  2. Step 2: Convert to fraction form
    1,916,173.11/2,873,190.61 = 636,085.40/x
  3. Step 3: Cross multiply
    1,916,173.11x = 2,873,190.61 × 636,085.40
  4. Step 4: Simplify right side
    1,916,173.11x = 1,827,594,605,621.07
  5. Step 5: Solve for x
    x = 1,827,594,605,621.07/1,916,173.11
  6. Step 6: Final answer
    x = 953,773.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.