Home / 2,709,377.91-4,064,065.65-816,119.35

Finding the Fourth Proportional to 2,709,377.91, 4,064,065.65 and 816,119.35

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Solution

The fourth proportional to 2,709,377.91, 4,064,065.65 and 816,119.35 is: 1,224,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,377.91 : 4,064,065.65 = 816,119.35 : x
  2. Step 2: Convert to fraction form
    2,709,377.91/4,064,065.65 = 816,119.35/x
  3. Step 3: Cross multiply
    2,709,377.91x = 4,064,065.65 × 816,119.35
  4. Step 4: Simplify right side
    2,709,377.91x = 3,316,762,606,475.16
  5. Step 5: Solve for x
    x = 3,316,762,606,475.16/2,709,377.91
  6. Step 6: Final answer
    x = 1,224,178.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.