Home / 4,644,019.40-6,966,029.10-4,148,007.80

Finding the Fourth Proportional to 4,644,019.40, 6,966,029.10 and 4,148,007.80

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Solution

The fourth proportional to 4,644,019.40, 6,966,029.10 and 4,148,007.80 is: 6,222,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644,019.40 : 6,966,029.10 = 4,148,007.80 : x
  2. Step 2: Convert to fraction form
    4,644,019.40/6,966,029.10 = 4,148,007.80/x
  3. Step 3: Cross multiply
    4,644,019.40x = 6,966,029.10 × 4,148,007.80
  4. Step 4: Simplify right side
    4,644,019.40x = 28,895,143,041,826.98
  5. Step 5: Solve for x
    x = 28,895,143,041,826.98/4,644,019.40
  6. Step 6: Final answer
    x = 6,222,011.70

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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.