Home / 2,109,618.36-2,911,287.32-1,142,748.64

Finding the Fourth Proportional to 2,109,618.36, 2,911,287.32 and 1,142,748.64

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Solution

The fourth proportional to 2,109,618.36, 2,911,287.32 and 1,142,748.64 is: 1,577,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,618.36 : 2,911,287.32 = 1,142,748.64 : x
  2. Step 2: Convert to fraction form
    2,109,618.36/2,911,287.32 = 1,142,748.64/x
  3. Step 3: Cross multiply
    2,109,618.36x = 2,911,287.32 × 1,142,748.64
  4. Step 4: Simplify right side
    2,109,618.36x = 3,326,869,625,579.24
  5. Step 5: Solve for x
    x = 3,326,869,625,579.24/2,109,618.36
  6. Step 6: Final answer
    x = 1,577,000.70

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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.