Home / 1,970,850.48-2,719,780.60-1,065,432.56

Finding the Fourth Proportional to 1,970,850.48, 2,719,780.60 and 1,065,432.56

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Solution

The fourth proportional to 1,970,850.48, 2,719,780.60 and 1,065,432.56 is: 1,470,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,850.48 : 2,719,780.60 = 1,065,432.56 : x
  2. Step 2: Convert to fraction form
    1,970,850.48/2,719,780.60 = 1,065,432.56/x
  3. Step 3: Cross multiply
    1,970,850.48x = 2,719,780.60 × 1,065,432.56
  4. Step 4: Simplify right side
    1,970,850.48x = 2,897,742,807,296.34
  5. Step 5: Solve for x
    x = 2,897,742,807,296.34/1,970,850.48
  6. Step 6: Final answer
    x = 1,470,300.68

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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.