Home / 1,838,121.72-2,756,818.44-1,746,980.52

Finding the Fourth Proportional to 1,838,121.72, 2,756,818.44 and 1,746,980.52

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Solution

The fourth proportional to 1,838,121.72, 2,756,818.44 and 1,746,980.52 is: 2,620,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,121.72 : 2,756,818.44 = 1,746,980.52 : x
  2. Step 2: Convert to fraction form
    1,838,121.72/2,756,818.44 = 1,746,980.52/x
  3. Step 3: Cross multiply
    1,838,121.72x = 2,756,818.44 × 1,746,980.52
  4. Step 4: Simplify right side
    1,838,121.72x = 4,816,108,111,856.79
  5. Step 5: Solve for x
    x = 4,816,108,111,856.79/1,838,121.72
  6. Step 6: Final answer
    x = 2,620,124.70

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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.