Home / 4,856,320.77-6,701,547-2,680,817.21

Finding the Fourth Proportional to 4,856,320.77, 6,701,547 and 2,680,817.21

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Solution

The fourth proportional to 4,856,320.77, 6,701,547 and 2,680,817.21 is: 3,699,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856,320.77 : 6,701,547 = 2,680,817.21 : x
  2. Step 2: Convert to fraction form
    4,856,320.77/6,701,547 = 2,680,817.21/x
  3. Step 3: Cross multiply
    4,856,320.77x = 6,701,547 × 2,680,817.21
  4. Step 4: Simplify right side
    4,856,320.77x = 17,965,622,531,223.87
  5. Step 5: Solve for x
    x = 17,965,622,531,223.87/4,856,320.77
  6. Step 6: Final answer
    x = 3,699,430.78

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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.