Home / 2,116,903.68-3,175,407.36-621,043.20

Finding the Fourth Proportional to 2,116,903.68, 3,175,407.36 and 621,043.20

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Solution

The fourth proportional to 2,116,903.68, 3,175,407.36 and 621,043.20 is: 931,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,903.68 : 3,175,407.36 = 621,043.20 : x
  2. Step 2: Convert to fraction form
    2,116,903.68/3,175,407.36 = 621,043.20/x
  3. Step 3: Cross multiply
    2,116,903.68x = 3,175,407.36 × 621,043.20
  4. Step 4: Simplify right side
    2,116,903.68x = 1,972,065,148,157.95
  5. Step 5: Solve for x
    x = 1,972,065,148,157.95/2,116,903.68
  6. Step 6: Final answer
    x = 931,580.01

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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.