Home / 2,129,742.26-2,939,163.40-1,162,962.30

Finding the Fourth Proportional to 2,129,742.26, 2,939,163.40 and 1,162,962.30

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Solution

The fourth proportional to 2,129,742.26, 2,939,163.40 and 1,162,962.30 is: 1,604,953.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,742.26 : 2,939,163.40 = 1,162,962.30 : x
  2. Step 2: Convert to fraction form
    2,129,742.26/2,939,163.40 = 1,162,962.30/x
  3. Step 3: Cross multiply
    2,129,742.26x = 2,939,163.40 × 1,162,962.30
  4. Step 4: Simplify right side
    2,129,742.26x = 3,418,136,227,739.82
  5. Step 5: Solve for x
    x = 3,418,136,227,739.82/2,129,742.26
  6. Step 6: Final answer
    x = 1,604,953.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.