Home / 5,189,953.20-7,784,929.80-4,896,020.40

Finding the Fourth Proportional to 5,189,953.20, 7,784,929.80 and 4,896,020.40

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Solution

The fourth proportional to 5,189,953.20, 7,784,929.80 and 4,896,020.40 is: 7,344,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,953.20 : 7,784,929.80 = 4,896,020.40 : x
  2. Step 2: Convert to fraction form
    5,189,953.20/7,784,929.80 = 4,896,020.40/x
  3. Step 3: Cross multiply
    5,189,953.20x = 7,784,929.80 × 4,896,020.40
  4. Step 4: Simplify right side
    5,189,953.20x = 38,115,175,113,367.92
  5. Step 5: Solve for x
    x = 38,115,175,113,367.92/5,189,953.20
  6. Step 6: Final answer
    x = 7,344,030.60

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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.