Home / 2,207,782.81-3,312,959.10-928,297.60

Finding the Fourth Proportional to 2,207,782.81, 3,312,959.10 and 928,297.60

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Solution

The fourth proportional to 2,207,782.81, 3,312,959.10 and 928,297.60 is: 1,392,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,782.81 : 3,312,959.10 = 928,297.60 : x
  2. Step 2: Convert to fraction form
    2,207,782.81/3,312,959.10 = 928,297.60/x
  3. Step 3: Cross multiply
    2,207,782.81x = 3,312,959.10 × 928,297.60
  4. Step 4: Simplify right side
    2,207,782.81x = 3,075,411,969,664.65
  5. Step 5: Solve for x
    x = 3,075,411,969,664.65/2,207,782.81
  6. Step 6: Final answer
    x = 1,392,986.64

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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.