Home / 1,916,179.12-2,873,477.88-654,108.40

Finding the Fourth Proportional to 1,916,179.12, 2,873,477.88 and 654,108.40

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Solution

The fourth proportional to 1,916,179.12, 2,873,477.88 and 654,108.40 is: 980,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,179.12 : 2,873,477.88 = 654,108.40 : x
  2. Step 2: Convert to fraction form
    1,916,179.12/2,873,477.88 = 654,108.40/x
  3. Step 3: Cross multiply
    1,916,179.12x = 2,873,477.88 × 654,108.40
  4. Step 4: Simplify right side
    1,916,179.12x = 1,879,566,018,522.19
  5. Step 5: Solve for x
    x = 1,879,566,018,522.19/1,916,179.12
  6. Step 6: Final answer
    x = 980,892.65

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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.