Home / 1,769,661.78-2,442,396.03-1,081,730.34

Finding the Fourth Proportional to 1,769,661.78, 2,442,396.03 and 1,081,730.34

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Solution

The fourth proportional to 1,769,661.78, 2,442,396.03 and 1,081,730.34 is: 1,492,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,661.78 : 2,442,396.03 = 1,081,730.34 : x
  2. Step 2: Convert to fraction form
    1,769,661.78/2,442,396.03 = 1,081,730.34/x
  3. Step 3: Cross multiply
    1,769,661.78x = 2,442,396.03 × 1,081,730.34
  4. Step 4: Simplify right side
    1,769,661.78x = 2,642,013,887,946.55
  5. Step 5: Solve for x
    x = 2,642,013,887,946.55/1,769,661.78
  6. Step 6: Final answer
    x = 1,492,948.49

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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.