Home / 1,733,144.71-2,390,933.72-1,121,495.14

Finding the Fourth Proportional to 1,733,144.71, 2,390,933.72 and 1,121,495.14

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Solution

The fourth proportional to 1,733,144.71, 2,390,933.72 and 1,121,495.14 is: 1,547,141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733,144.71 : 2,390,933.72 = 1,121,495.14 : x
  2. Step 2: Convert to fraction form
    1,733,144.71/2,390,933.72 = 1,121,495.14/x
  3. Step 3: Cross multiply
    1,733,144.71x = 2,390,933.72 × 1,121,495.14
  4. Step 4: Simplify right side
    1,733,144.71x = 2,681,420,541,434.64
  5. Step 5: Solve for x
    x = 2,681,420,541,434.64/1,733,144.71
  6. Step 6: Final answer
    x = 1,547,141.75

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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.