Home / 2,508,990.12-3,462,156.50-1,421,044.60

Finding the Fourth Proportional to 2,508,990.12, 3,462,156.50 and 1,421,044.60

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Solution

The fourth proportional to 2,508,990.12, 3,462,156.50 and 1,421,044.60 is: 1,960,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508,990.12 : 3,462,156.50 = 1,421,044.60 : x
  2. Step 2: Convert to fraction form
    2,508,990.12/3,462,156.50 = 1,421,044.60/x
  3. Step 3: Cross multiply
    2,508,990.12x = 3,462,156.50 × 1,421,044.60
  4. Step 4: Simplify right side
    2,508,990.12x = 4,919,878,798,679.90
  5. Step 5: Solve for x
    x = 4,919,878,798,679.90/2,508,990.12
  6. Step 6: Final answer
    x = 1,960,900.03

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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.