Home / 2,919,818.19-4,378,712.81-1,624,946.43

Finding the Fourth Proportional to 2,919,818.19, 4,378,712.81 and 1,624,946.43

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Solution

The fourth proportional to 2,919,818.19, 4,378,712.81 and 1,624,946.43 is: 2,436,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,818.19 : 4,378,712.81 = 1,624,946.43 : x
  2. Step 2: Convert to fraction form
    2,919,818.19/4,378,712.81 = 1,624,946.43/x
  3. Step 3: Cross multiply
    2,919,818.19x = 4,378,712.81 × 1,624,946.43
  4. Step 4: Simplify right side
    2,919,818.19x = 7,115,173,740,480.04
  5. Step 5: Solve for x
    x = 7,115,173,740,480.04/2,919,818.19
  6. Step 6: Final answer
    x = 2,436,855.06

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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.