Home / 1,970,655.36-2,719,505.16-1,065,237.36

Finding the Fourth Proportional to 1,970,655.36, 2,719,505.16 and 1,065,237.36

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Solution

The fourth proportional to 1,970,655.36, 2,719,505.16 and 1,065,237.36 is: 1,470,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,655.36 : 2,719,505.16 = 1,065,237.36 : x
  2. Step 2: Convert to fraction form
    1,970,655.36/2,719,505.16 = 1,065,237.36/x
  3. Step 3: Cross multiply
    1,970,655.36x = 2,719,505.16 × 1,065,237.36
  4. Step 4: Simplify right side
    1,970,655.36x = 2,896,918,497,144.78
  5. Step 5: Solve for x
    x = 2,896,918,497,144.78/1,970,655.36
  6. Step 6: Final answer
    x = 1,470,027.97

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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.