Home / 3,405,063.69-4,699,020-1,877,225.49

Finding the Fourth Proportional to 3,405,063.69, 4,699,020 and 1,877,225.49

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Solution

The fourth proportional to 3,405,063.69, 4,699,020 and 1,877,225.49 is: 2,590,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,063.69 : 4,699,020 = 1,877,225.49 : x
  2. Step 2: Convert to fraction form
    3,405,063.69/4,699,020 = 1,877,225.49/x
  3. Step 3: Cross multiply
    3,405,063.69x = 4,699,020 × 1,877,225.49
  4. Step 4: Simplify right side
    3,405,063.69x = 8,821,120,122,019.80
  5. Step 5: Solve for x
    x = 8,821,120,122,019.80/3,405,063.69
  6. Step 6: Final answer
    x = 2,590,588.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.