Home / 1,917,241.20-2,872,362.60-1,168,412.40

Finding the Fourth Proportional to 1,917,241.20, 2,872,362.60 and 1,168,412.40

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Solution

The fourth proportional to 1,917,241.20, 2,872,362.60 and 1,168,412.40 is: 1,750,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,241.20 : 2,872,362.60 = 1,168,412.40 : x
  2. Step 2: Convert to fraction form
    1,917,241.20/2,872,362.60 = 1,168,412.40/x
  3. Step 3: Cross multiply
    1,917,241.20x = 2,872,362.60 × 1,168,412.40
  4. Step 4: Simplify right side
    1,917,241.20x = 3,356,104,079,136.24
  5. Step 5: Solve for x
    x = 3,356,104,079,136.24/1,917,241.20
  6. Step 6: Final answer
    x = 1,750,486.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.