Home / 2,000,784.90-2,999,136.15-988,349.70

Finding the Fourth Proportional to 2,000,784.90, 2,999,136.15 and 988,349.70

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Solution

The fourth proportional to 2,000,784.90, 2,999,136.15 and 988,349.70 is: 1,481,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000,784.90 : 2,999,136.15 = 988,349.70 : x
  2. Step 2: Convert to fraction form
    2,000,784.90/2,999,136.15 = 988,349.70/x
  3. Step 3: Cross multiply
    2,000,784.90x = 2,999,136.15 × 988,349.70
  4. Step 4: Simplify right side
    2,000,784.90x = 2,964,195,314,111.66
  5. Step 5: Solve for x
    x = 2,964,195,314,111.66/2,000,784.90
  6. Step 6: Final answer
    x = 1,481,516.24

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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.