Home / 3,000,409.42-4,140,532.72-1,623,722.69

Finding the Fourth Proportional to 3,000,409.42, 4,140,532.72 and 1,623,722.69

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Solution

The fourth proportional to 3,000,409.42, 4,140,532.72 and 1,623,722.69 is: 2,240,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,409.42 : 4,140,532.72 = 1,623,722.69 : x
  2. Step 2: Convert to fraction form
    3,000,409.42/4,140,532.72 = 1,623,722.69/x
  3. Step 3: Cross multiply
    3,000,409.42x = 4,140,532.72 × 1,623,722.69
  4. Step 4: Simplify right side
    3,000,409.42x = 6,723,076,926,151.42
  5. Step 5: Solve for x
    x = 6,723,076,926,151.42/3,000,409.42
  6. Step 6: Final answer
    x = 2,240,719.84

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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.