Home / 2,880,326.60-4,320,489.90-885,782.60

Finding the Fourth Proportional to 2,880,326.60, 4,320,489.90 and 885,782.60

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Solution

The fourth proportional to 2,880,326.60, 4,320,489.90 and 885,782.60 is: 1,328,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,326.60 : 4,320,489.90 = 885,782.60 : x
  2. Step 2: Convert to fraction form
    2,880,326.60/4,320,489.90 = 885,782.60/x
  3. Step 3: Cross multiply
    2,880,326.60x = 4,320,489.90 × 885,782.60
  4. Step 4: Simplify right side
    2,880,326.60x = 3,827,014,776,895.74
  5. Step 5: Solve for x
    x = 3,827,014,776,895.74/2,880,326.60
  6. Step 6: Final answer
    x = 1,328,673.90

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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.