Home / 4,201,645.40-6,302,468.10-1,210,131.80

Finding the Fourth Proportional to 4,201,645.40, 6,302,468.10 and 1,210,131.80

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Solution

The fourth proportional to 4,201,645.40, 6,302,468.10 and 1,210,131.80 is: 1,815,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201,645.40 : 6,302,468.10 = 1,210,131.80 : x
  2. Step 2: Convert to fraction form
    4,201,645.40/6,302,468.10 = 1,210,131.80/x
  3. Step 3: Cross multiply
    4,201,645.40x = 6,302,468.10 × 1,210,131.80
  4. Step 4: Simplify right side
    4,201,645.40x = 7,626,817,066,295.58
  5. Step 5: Solve for x
    x = 7,626,817,066,295.58/4,201,645.40
  6. Step 6: Final answer
    x = 1,815,197.70

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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.