Home / 2,091,180.31-3,136,622.40-554,141.72

Finding the Fourth Proportional to 2,091,180.31, 3,136,622.40 and 554,141.72

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Solution

The fourth proportional to 2,091,180.31, 3,136,622.40 and 554,141.72 is: 831,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,180.31 : 3,136,622.40 = 554,141.72 : x
  2. Step 2: Convert to fraction form
    2,091,180.31/3,136,622.40 = 554,141.72/x
  3. Step 3: Cross multiply
    2,091,180.31x = 3,136,622.40 × 554,141.72
  4. Step 4: Simplify right side
    2,091,180.31x = 1,738,133,316,734.42
  5. Step 5: Solve for x
    x = 1,738,133,316,734.42/2,091,180.31
  6. Step 6: Final answer
    x = 831,173.34

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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.