Home / 1,987,461.19-2,742,696.89-1,082,043.19

Finding the Fourth Proportional to 1,987,461.19, 2,742,696.89 and 1,082,043.19

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Solution

The fourth proportional to 1,987,461.19, 2,742,696.89 and 1,082,043.19 is: 1,493,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,461.19 : 2,742,696.89 = 1,082,043.19 : x
  2. Step 2: Convert to fraction form
    1,987,461.19/2,742,696.89 = 1,082,043.19/x
  3. Step 3: Cross multiply
    1,987,461.19x = 2,742,696.89 × 1,082,043.19
  4. Step 4: Simplify right side
    1,987,461.19x = 2,967,716,492,058.68
  5. Step 5: Solve for x
    x = 2,967,716,492,058.68/1,987,461.19
  6. Step 6: Final answer
    x = 1,493,219.85

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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.