Home / 1,997,810.36-2,996,090.90-667,803.32

Finding the Fourth Proportional to 1,997,810.36, 2,996,090.90 and 667,803.32

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Solution

The fourth proportional to 1,997,810.36, 2,996,090.90 and 667,803.32 is: 1,001,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,810.36 : 2,996,090.90 = 667,803.32 : x
  2. Step 2: Convert to fraction form
    1,997,810.36/2,996,090.90 = 667,803.32/x
  3. Step 3: Cross multiply
    1,997,810.36x = 2,996,090.90 × 667,803.32
  4. Step 4: Simplify right side
    1,997,810.36x = 2,000,799,450,041.79
  5. Step 5: Solve for x
    x = 2,000,799,450,041.79/1,997,810.36
  6. Step 6: Final answer
    x = 1,001,496.18

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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.