Home / 5,100,039.84-7,038,209.80-2,808,282.54

Finding the Fourth Proportional to 5,100,039.84, 7,038,209.80 and 2,808,282.54

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Solution

The fourth proportional to 5,100,039.84, 7,038,209.80 and 2,808,282.54 is: 3,875,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,039.84 : 7,038,209.80 = 2,808,282.54 : x
  2. Step 2: Convert to fraction form
    5,100,039.84/7,038,209.80 = 2,808,282.54/x
  3. Step 3: Cross multiply
    5,100,039.84x = 7,038,209.80 × 2,808,282.54
  4. Step 4: Simplify right side
    5,100,039.84x = 19,765,281,694,196.89
  5. Step 5: Solve for x
    x = 19,765,281,694,196.89/5,100,039.84
  6. Step 6: Final answer
    x = 3,875,515.16

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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.