Home / 2,820,347.40-4,232,940.30-1,138,657.80

Finding the Fourth Proportional to 2,820,347.40, 4,232,940.30 and 1,138,657.80

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Solution

The fourth proportional to 2,820,347.40, 4,232,940.30 and 1,138,657.80 is: 1,708,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,347.40 : 4,232,940.30 = 1,138,657.80 : x
  2. Step 2: Convert to fraction form
    2,820,347.40/4,232,940.30 = 1,138,657.80/x
  3. Step 3: Cross multiply
    2,820,347.40x = 4,232,940.30 × 1,138,657.80
  4. Step 4: Simplify right side
    2,820,347.40x = 4,819,870,489,529.34
  5. Step 5: Solve for x
    x = 4,819,870,489,529.34/2,820,347.40
  6. Step 6: Final answer
    x = 1,708,963.40

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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.