Home / 1,938,856.20-2,909,612.82-676,683.84

Finding the Fourth Proportional to 1,938,856.20, 2,909,612.82 and 676,683.84

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Solution

The fourth proportional to 1,938,856.20, 2,909,612.82 and 676,683.84 is: 1,015,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,856.20 : 2,909,612.82 = 676,683.84 : x
  2. Step 2: Convert to fraction form
    1,938,856.20/2,909,612.82 = 676,683.84/x
  3. Step 3: Cross multiply
    1,938,856.20x = 2,909,612.82 × 676,683.84
  4. Step 4: Simplify right side
    1,938,856.20x = 1,968,887,975,950.83
  5. Step 5: Solve for x
    x = 1,968,887,975,950.83/1,938,856.20
  6. Step 6: Final answer
    x = 1,015,489.43

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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.