Home / 1,518,640.08-2,097,417.96-1,178,591.28

Finding the Fourth Proportional to 1,518,640.08, 2,097,417.96 and 1,178,591.28

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Solution

The fourth proportional to 1,518,640.08, 2,097,417.96 and 1,178,591.28 is: 1,627,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,640.08 : 2,097,417.96 = 1,178,591.28 : x
  2. Step 2: Convert to fraction form
    1,518,640.08/2,097,417.96 = 1,178,591.28/x
  3. Step 3: Cross multiply
    1,518,640.08x = 2,097,417.96 × 1,178,591.28
  4. Step 4: Simplify right side
    1,518,640.08x = 2,471,998,518,171.39
  5. Step 5: Solve for x
    x = 2,471,998,518,171.39/1,518,640.08
  6. Step 6: Final answer
    x = 1,627,771.16

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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.