Home / 2,818,885.42-3,890,064.40-1,529,725.80

Finding the Fourth Proportional to 2,818,885.42, 3,890,064.40 and 1,529,725.80

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Solution

The fourth proportional to 2,818,885.42, 3,890,064.40 and 1,529,725.80 is: 2,111,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,885.42 : 3,890,064.40 = 1,529,725.80 : x
  2. Step 2: Convert to fraction form
    2,818,885.42/3,890,064.40 = 1,529,725.80/x
  3. Step 3: Cross multiply
    2,818,885.42x = 3,890,064.40 × 1,529,725.80
  4. Step 4: Simplify right side
    2,818,885.42x = 5,950,731,876,341.52
  5. Step 5: Solve for x
    x = 5,950,731,876,341.52/2,818,885.42
  6. Step 6: Final answer
    x = 2,111,022.98

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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.