Home / 5,222,645.04-7,831,447.80-2,189,196.40

Finding the Fourth Proportional to 5,222,645.04, 7,831,447.80 and 2,189,196.40

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Solution

The fourth proportional to 5,222,645.04, 7,831,447.80 and 2,189,196.40 is: 3,282,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222,645.04 : 7,831,447.80 = 2,189,196.40 : x
  2. Step 2: Convert to fraction form
    5,222,645.04/7,831,447.80 = 2,189,196.40/x
  3. Step 3: Cross multiply
    5,222,645.04x = 7,831,447.80 × 2,189,196.40
  4. Step 4: Simplify right side
    5,222,645.04x = 17,144,577,330,547.92
  5. Step 5: Solve for x
    x = 17,144,577,330,547.92/5,222,645.04
  6. Step 6: Final answer
    x = 3,282,738.38

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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.