Home / 2,039,878.40-3,060,109.20-692,103.20

Finding the Fourth Proportional to 2,039,878.40, 3,060,109.20 and 692,103.20

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Solution

The fourth proportional to 2,039,878.40, 3,060,109.20 and 692,103.20 is: 1,038,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,878.40 : 3,060,109.20 = 692,103.20 : x
  2. Step 2: Convert to fraction form
    2,039,878.40/3,060,109.20 = 692,103.20/x
  3. Step 3: Cross multiply
    2,039,878.40x = 3,060,109.20 × 692,103.20
  4. Step 4: Simplify right side
    2,039,878.40x = 2,117,911,369,669.44
  5. Step 5: Solve for x
    x = 2,117,911,369,669.44/2,039,878.40
  6. Step 6: Final answer
    x = 1,038,253.74

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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.