Home / 1,890,197.40-2,835,296.10-1,293,000.60

Finding the Fourth Proportional to 1,890,197.40, 2,835,296.10 and 1,293,000.60

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Solution

The fourth proportional to 1,890,197.40, 2,835,296.10 and 1,293,000.60 is: 1,939,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,197.40 : 2,835,296.10 = 1,293,000.60 : x
  2. Step 2: Convert to fraction form
    1,890,197.40/2,835,296.10 = 1,293,000.60/x
  3. Step 3: Cross multiply
    1,890,197.40x = 2,835,296.10 × 1,293,000.60
  4. Step 4: Simplify right side
    1,890,197.40x = 3,666,039,558,477.66
  5. Step 5: Solve for x
    x = 3,666,039,558,477.66/1,890,197.40
  6. Step 6: Final answer
    x = 1,939,500.90

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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.