Home / 4,912,872.80-6,779,791.28-2,849,111.91

Finding the Fourth Proportional to 4,912,872.80, 6,779,791.28 and 2,849,111.91

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Solution

The fourth proportional to 4,912,872.80, 6,779,791.28 and 2,849,111.91 is: 3,931,789.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912,872.80 : 6,779,791.28 = 2,849,111.91 : x
  2. Step 2: Convert to fraction form
    4,912,872.80/6,779,791.28 = 2,849,111.91/x
  3. Step 3: Cross multiply
    4,912,872.80x = 6,779,791.28 × 2,849,111.91
  4. Step 4: Simplify right side
    4,912,872.80x = 19,316,384,068,916.59
  5. Step 5: Solve for x
    x = 19,316,384,068,916.59/4,912,872.80
  6. Step 6: Final answer
    x = 3,931,789.99

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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.