Home / 2,688,903.80-4,032,189.30-891,092.60

Finding the Fourth Proportional to 2,688,903.80, 4,032,189.30 and 891,092.60

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Solution

The fourth proportional to 2,688,903.80, 4,032,189.30 and 891,092.60 is: 1,336,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,903.80 : 4,032,189.30 = 891,092.60 : x
  2. Step 2: Convert to fraction form
    2,688,903.80/4,032,189.30 = 891,092.60/x
  3. Step 3: Cross multiply
    2,688,903.80x = 4,032,189.30 × 891,092.60
  4. Step 4: Simplify right side
    2,688,903.80x = 3,593,054,047,029.18
  5. Step 5: Solve for x
    x = 3,593,054,047,029.18/2,688,903.80
  6. Step 6: Final answer
    x = 1,336,252.36

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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.