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Finding the Fourth Proportional to 1,845,367.70, 2,768,051.55 and 1,367,070.80

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Solution

The fourth proportional to 1,845,367.70, 2,768,051.55 and 1,367,070.80 is: 2,050,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,367.70 : 2,768,051.55 = 1,367,070.80 : x
  2. Step 2: Convert to fraction form
    1,845,367.70/2,768,051.55 = 1,367,070.80/x
  3. Step 3: Cross multiply
    1,845,367.70x = 2,768,051.55 × 1,367,070.80
  4. Step 4: Simplify right side
    1,845,367.70x = 3,784,122,446,899.74
  5. Step 5: Solve for x
    x = 3,784,122,446,899.74/1,845,367.70
  6. Step 6: Final answer
    x = 2,050,606.20

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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.