Home / 1,970,605.90-2,719,678.26-1,111,148.92

Finding the Fourth Proportional to 1,970,605.90, 2,719,678.26 and 1,111,148.92

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Solution

The fourth proportional to 1,970,605.90, 2,719,678.26 and 1,111,148.92 is: 1,533,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,605.90 : 2,719,678.26 = 1,111,148.92 : x
  2. Step 2: Convert to fraction form
    1,970,605.90/2,719,678.26 = 1,111,148.92/x
  3. Step 3: Cross multiply
    1,970,605.90x = 2,719,678.26 × 1,111,148.92
  4. Step 4: Simplify right side
    1,970,605.90x = 3,021,967,561,346.48
  5. Step 5: Solve for x
    x = 3,021,967,561,346.48/1,970,605.90
  6. Step 6: Final answer
    x = 1,533,522.03

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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.