Home / 2,798,123.40-4,197,185.10-906,222.60

Finding the Fourth Proportional to 2,798,123.40, 4,197,185.10 and 906,222.60

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Solution

The fourth proportional to 2,798,123.40, 4,197,185.10 and 906,222.60 is: 1,359,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,123.40 : 4,197,185.10 = 906,222.60 : x
  2. Step 2: Convert to fraction form
    2,798,123.40/4,197,185.10 = 906,222.60/x
  3. Step 3: Cross multiply
    2,798,123.40x = 4,197,185.10 × 906,222.60
  4. Step 4: Simplify right side
    2,798,123.40x = 3,803,583,994,003.26
  5. Step 5: Solve for x
    x = 3,803,583,994,003.26/2,798,123.40
  6. Step 6: Final answer
    x = 1,359,333.90

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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.