Home / 1,987,460.19-2,742,695.51-1,082,042.19

Finding the Fourth Proportional to 1,987,460.19, 2,742,695.51 and 1,082,042.19

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Solution

The fourth proportional to 1,987,460.19, 2,742,695.51 and 1,082,042.19 is: 1,493,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,460.19 : 2,742,695.51 = 1,082,042.19 : x
  2. Step 2: Convert to fraction form
    1,987,460.19/2,742,695.51 = 1,082,042.19/x
  3. Step 3: Cross multiply
    1,987,460.19x = 2,742,695.51 × 1,082,042.19
  4. Step 4: Simplify right side
    1,987,460.19x = 2,967,712,258,848.67
  5. Step 5: Solve for x
    x = 2,967,712,258,848.67/1,987,460.19
  6. Step 6: Final answer
    x = 1,493,218.47

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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.