Home / 1,838,121.35-2,756,817.89-1,746,980.15

Finding the Fourth Proportional to 1,838,121.35, 2,756,817.89 and 1,746,980.15

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Solution

The fourth proportional to 1,838,121.35, 2,756,817.89 and 1,746,980.15 is: 2,620,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,121.35 : 2,756,817.89 = 1,746,980.15 : x
  2. Step 2: Convert to fraction form
    1,838,121.35/2,756,817.89 = 1,746,980.15/x
  3. Step 3: Cross multiply
    1,838,121.35x = 2,756,817.89 × 1,746,980.15
  4. Step 4: Simplify right side
    1,838,121.35x = 4,816,106,122,259.98
  5. Step 5: Solve for x
    x = 4,816,106,122,259.98/1,838,121.35
  6. Step 6: Final answer
    x = 2,620,124.14

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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.