Home / 2,160,271.91-2,981,265.80-1,242,501.27

Finding the Fourth Proportional to 2,160,271.91, 2,981,265.80 and 1,242,501.27

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Solution

The fourth proportional to 2,160,271.91, 2,981,265.80 and 1,242,501.27 is: 1,714,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,271.91 : 2,981,265.80 = 1,242,501.27 : x
  2. Step 2: Convert to fraction form
    2,160,271.91/2,981,265.80 = 1,242,501.27/x
  3. Step 3: Cross multiply
    2,160,271.91x = 2,981,265.80 × 1,242,501.27
  4. Step 4: Simplify right side
    2,160,271.91x = 3,704,226,536,495.06
  5. Step 5: Solve for x
    x = 3,704,226,536,495.06/2,160,271.91
  6. Step 6: Final answer
    x = 1,714,703.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.