Home / 2,865,038.74-3,953,670.09-1,575,878.78

Finding the Fourth Proportional to 2,865,038.74, 3,953,670.09 and 1,575,878.78

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Solution

The fourth proportional to 2,865,038.74, 3,953,670.09 and 1,575,878.78 is: 2,174,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,038.74 : 3,953,670.09 = 1,575,878.78 : x
  2. Step 2: Convert to fraction form
    2,865,038.74/3,953,670.09 = 1,575,878.78/x
  3. Step 3: Cross multiply
    2,865,038.74x = 3,953,670.09 × 1,575,878.78
  4. Step 4: Simplify right side
    2,865,038.74x = 6,230,504,797,951.69
  5. Step 5: Solve for x
    x = 6,230,504,797,951.69/2,865,038.74
  6. Step 6: Final answer
    x = 2,174,666.86

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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.