Home / 5,282,817.60-7,290,315.18-2,991,424.80

Finding the Fourth Proportional to 5,282,817.60, 7,290,315.18 and 2,991,424.80

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Solution

The fourth proportional to 5,282,817.60, 7,290,315.18 and 2,991,424.80 is: 4,128,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282,817.60 : 7,290,315.18 = 2,991,424.80 : x
  2. Step 2: Convert to fraction form
    5,282,817.60/7,290,315.18 = 2,991,424.80/x
  3. Step 3: Cross multiply
    5,282,817.60x = 7,290,315.18 × 2,991,424.80
  4. Step 4: Simplify right side
    5,282,817.60x = 21,808,429,629,268.46
  5. Step 5: Solve for x
    x = 21,808,429,629,268.46/5,282,817.60
  6. Step 6: Final answer
    x = 4,128,181.45

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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.