Home / 2,094,031.36-3,140,871.90-831,520

Finding the Fourth Proportional to 2,094,031.36, 3,140,871.90 and 831,520

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Solution

The fourth proportional to 2,094,031.36, 3,140,871.90 and 831,520 is: 1,247,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094,031.36 : 3,140,871.90 = 831,520 : x
  2. Step 2: Convert to fraction form
    2,094,031.36/3,140,871.90 = 831,520/x
  3. Step 3: Cross multiply
    2,094,031.36x = 3,140,871.90 × 831,520
  4. Step 4: Simplify right side
    2,094,031.36x = 2,611,697,802,288
  5. Step 5: Solve for x
    x = 2,611,697,802,288/2,094,031.36
  6. Step 6: Final answer
    x = 1,247,210.45

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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.