Home / 4,912,877.69-6,779,798.11-2,849,116.87

Finding the Fourth Proportional to 4,912,877.69, 6,779,798.11 and 2,849,116.87

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Solution

The fourth proportional to 4,912,877.69, 6,779,798.11 and 2,849,116.87 is: 3,931,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912,877.69 : 6,779,798.11 = 2,849,116.87 : x
  2. Step 2: Convert to fraction form
    4,912,877.69/6,779,798.11 = 2,849,116.87/x
  3. Step 3: Cross multiply
    4,912,877.69x = 6,779,798.11 × 2,849,116.87
  4. Step 4: Simplify right side
    4,912,877.69x = 19,316,437,170,395.12
  5. Step 5: Solve for x
    x = 19,316,437,170,395.12/4,912,877.69
  6. Step 6: Final answer
    x = 3,931,796.88

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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.