Home / 4,989,741.89-6,885,803.69-2,896,778.53

Finding the Fourth Proportional to 4,989,741.89, 6,885,803.69 and 2,896,778.53

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Solution

The fourth proportional to 4,989,741.89, 6,885,803.69 and 2,896,778.53 is: 3,997,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989,741.89 : 6,885,803.69 = 2,896,778.53 : x
  2. Step 2: Convert to fraction form
    4,989,741.89/6,885,803.69 = 2,896,778.53/x
  3. Step 3: Cross multiply
    4,989,741.89x = 6,885,803.69 × 2,896,778.53
  4. Step 4: Simplify right side
    4,989,741.89x = 19,946,648,290,986.78
  5. Step 5: Solve for x
    x = 19,946,648,290,986.78/4,989,741.89
  6. Step 6: Final answer
    x = 3,997,531.08

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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.