Home / 2,900,803.79-4,003,233.81-1,611,644.22

Finding the Fourth Proportional to 2,900,803.79, 4,003,233.81 and 1,611,644.22

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Solution

The fourth proportional to 2,900,803.79, 4,003,233.81 and 1,611,644.22 is: 2,224,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,803.79 : 4,003,233.81 = 1,611,644.22 : x
  2. Step 2: Convert to fraction form
    2,900,803.79/4,003,233.81 = 1,611,644.22/x
  3. Step 3: Cross multiply
    2,900,803.79x = 4,003,233.81 × 1,611,644.22
  4. Step 4: Simplify right side
    2,900,803.79x = 6,451,788,631,195.08
  5. Step 5: Solve for x
    x = 6,451,788,631,195.08/2,900,803.79
  6. Step 6: Final answer
    x = 2,224,138.24

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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.