Home / 1,979,280.16-2,729,603.20-1,673,996.64

Finding the Fourth Proportional to 1,979,280.16, 2,729,603.20 and 1,673,996.64

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Solution

The fourth proportional to 1,979,280.16, 2,729,603.20 and 1,673,996.64 is: 2,308,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,280.16 : 2,729,603.20 = 1,673,996.64 : x
  2. Step 2: Convert to fraction form
    1,979,280.16/2,729,603.20 = 1,673,996.64/x
  3. Step 3: Cross multiply
    1,979,280.16x = 2,729,603.20 × 1,673,996.64
  4. Step 4: Simplify right side
    1,979,280.16x = 4,569,346,585,333.25
  5. Step 5: Solve for x
    x = 4,569,346,585,333.25/1,979,280.16
  6. Step 6: Final answer
    x = 2,308,590.10

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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.