Home / 2,125,334.39-3,186,114.06-828,186.45

Finding the Fourth Proportional to 2,125,334.39, 3,186,114.06 and 828,186.45

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Solution

The fourth proportional to 2,125,334.39, 3,186,114.06 and 828,186.45 is: 1,241,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,334.39 : 3,186,114.06 = 828,186.45 : x
  2. Step 2: Convert to fraction form
    2,125,334.39/3,186,114.06 = 828,186.45/x
  3. Step 3: Cross multiply
    2,125,334.39x = 3,186,114.06 × 828,186.45
  4. Step 4: Simplify right side
    2,125,334.39x = 2,638,696,492,646.49
  5. Step 5: Solve for x
    x = 2,638,696,492,646.49/2,125,334.39
  6. Step 6: Final answer
    x = 1,241,544.16

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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.