Home / 2,161,998.96-3,243,075.48-742,045.20

Finding the Fourth Proportional to 2,161,998.96, 3,243,075.48 and 742,045.20

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Solution

The fourth proportional to 2,161,998.96, 3,243,075.48 and 742,045.20 is: 1,113,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,998.96 : 3,243,075.48 = 742,045.20 : x
  2. Step 2: Convert to fraction form
    2,161,998.96/3,243,075.48 = 742,045.20/x
  3. Step 3: Cross multiply
    2,161,998.96x = 3,243,075.48 × 742,045.20
  4. Step 4: Simplify right side
    2,161,998.96x = 2,406,508,593,171.70
  5. Step 5: Solve for x
    x = 2,406,508,593,171.70/2,161,998.96
  6. Step 6: Final answer
    x = 1,113,094.24

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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.