Home / 2,009,061.40-3,013,592.10-1,211,243.80

Finding the Fourth Proportional to 2,009,061.40, 3,013,592.10 and 1,211,243.80

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Solution

The fourth proportional to 2,009,061.40, 3,013,592.10 and 1,211,243.80 is: 1,816,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,061.40 : 3,013,592.10 = 1,211,243.80 : x
  2. Step 2: Convert to fraction form
    2,009,061.40/3,013,592.10 = 1,211,243.80/x
  3. Step 3: Cross multiply
    2,009,061.40x = 3,013,592.10 × 1,211,243.80
  4. Step 4: Simplify right side
    2,009,061.40x = 3,650,194,746,853.98
  5. Step 5: Solve for x
    x = 3,650,194,746,853.98/2,009,061.40
  6. Step 6: Final answer
    x = 1,816,865.70

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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.