Home / 1,983,169.16-2,735,840.04-1,438,109.36

Finding the Fourth Proportional to 1,983,169.16, 2,735,840.04 and 1,438,109.36

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Solution

The fourth proportional to 1,983,169.16, 2,735,840.04 and 1,438,109.36 is: 1,983,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,169.16 : 2,735,840.04 = 1,438,109.36 : x
  2. Step 2: Convert to fraction form
    1,983,169.16/2,735,840.04 = 1,438,109.36/x
  3. Step 3: Cross multiply
    1,983,169.16x = 2,735,840.04 × 1,438,109.36
  4. Step 4: Simplify right side
    1,983,169.16x = 3,934,437,168,986.78
  5. Step 5: Solve for x
    x = 3,934,437,168,986.78/1,983,169.16
  6. Step 6: Final answer
    x = 1,983,914.05

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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.