Home / 1,967,892.90-2,945,173.55-1,210,214.96

Finding the Fourth Proportional to 1,967,892.90, 2,945,173.55 and 1,210,214.96

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Solution

The fourth proportional to 1,967,892.90, 2,945,173.55 and 1,210,214.96 is: 1,811,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967,892.90 : 2,945,173.55 = 1,210,214.96 : x
  2. Step 2: Convert to fraction form
    1,967,892.90/2,945,173.55 = 1,210,214.96/x
  3. Step 3: Cross multiply
    1,967,892.90x = 2,945,173.55 × 1,210,214.96
  4. Step 4: Simplify right side
    1,967,892.90x = 3,564,293,075,280.44
  5. Step 5: Solve for x
    x = 3,564,293,075,280.44/1,967,892.90
  6. Step 6: Final answer
    x = 1,811,223.10

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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.