Home / 1,970,749.35-2,719,638.09-1,065,331.35

Finding the Fourth Proportional to 1,970,749.35, 2,719,638.09 and 1,065,331.35

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Solution

The fourth proportional to 1,970,749.35, 2,719,638.09 and 1,065,331.35 is: 1,470,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,749.35 : 2,719,638.09 = 1,065,331.35 : x
  2. Step 2: Convert to fraction form
    1,970,749.35/2,719,638.09 = 1,065,331.35/x
  3. Step 3: Cross multiply
    1,970,749.35x = 2,719,638.09 × 1,065,331.35
  4. Step 4: Simplify right side
    1,970,749.35x = 2,897,315,717,931.12
  5. Step 5: Solve for x
    x = 2,897,315,717,931.12/1,970,749.35
  6. Step 6: Final answer
    x = 1,470,159.42

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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.