Home / 1,970,852.48-2,719,783.36-1,065,434.56

Finding the Fourth Proportional to 1,970,852.48, 2,719,783.36 and 1,065,434.56

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Solution

The fourth proportional to 1,970,852.48, 2,719,783.36 and 1,065,434.56 is: 1,470,303.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,852.48 : 2,719,783.36 = 1,065,434.56 : x
  2. Step 2: Convert to fraction form
    1,970,852.48/2,719,783.36 = 1,065,434.56/x
  3. Step 3: Cross multiply
    1,970,852.48x = 2,719,783.36 × 1,065,434.56
  4. Step 4: Simplify right side
    1,970,852.48x = 2,897,751,187,456.92
  5. Step 5: Solve for x
    x = 2,897,751,187,456.92/1,970,852.48
  6. Step 6: Final answer
    x = 1,470,303.44

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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.