Home / 3,186,228.60-4,778,678.70-1,165,424.40

Finding the Fourth Proportional to 3,186,228.60, 4,778,678.70 and 1,165,424.40

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Solution

The fourth proportional to 3,186,228.60, 4,778,678.70 and 1,165,424.40 is: 1,747,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,228.60 : 4,778,678.70 = 1,165,424.40 : x
  2. Step 2: Convert to fraction form
    3,186,228.60/4,778,678.70 = 1,165,424.40/x
  3. Step 3: Cross multiply
    3,186,228.60x = 4,778,678.70 × 1,165,424.40
  4. Step 4: Simplify right side
    3,186,228.60x = 5,569,188,756,740.28
  5. Step 5: Solve for x
    x = 5,569,188,756,740.28/3,186,228.60
  6. Step 6: Final answer
    x = 1,747,893.66

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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.