Home / 3,689,298.50-5,091,231.93-2,079,666.50

Finding the Fourth Proportional to 3,689,298.50, 5,091,231.93 and 2,079,666.50

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Solution

The fourth proportional to 3,689,298.50, 5,091,231.93 and 2,079,666.50 is: 2,869,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,298.50 : 5,091,231.93 = 2,079,666.50 : x
  2. Step 2: Convert to fraction form
    3,689,298.50/5,091,231.93 = 2,079,666.50/x
  3. Step 3: Cross multiply
    3,689,298.50x = 5,091,231.93 × 2,079,666.50
  4. Step 4: Simplify right side
    3,689,298.50x = 10,588,064,488,551.34
  5. Step 5: Solve for x
    x = 10,588,064,488,551.34/3,689,298.50
  6. Step 6: Final answer
    x = 2,869,939.77

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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.