Home / 4,207,021.80-6,312,087.90-1,684,487.40

Finding the Fourth Proportional to 4,207,021.80, 6,312,087.90 and 1,684,487.40

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Solution

The fourth proportional to 4,207,021.80, 6,312,087.90 and 1,684,487.40 is: 2,527,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207,021.80 : 6,312,087.90 = 1,684,487.40 : x
  2. Step 2: Convert to fraction form
    4,207,021.80/6,312,087.90 = 1,684,487.40/x
  3. Step 3: Cross multiply
    4,207,021.80x = 6,312,087.90 × 1,684,487.40
  4. Step 4: Simplify right side
    4,207,021.80x = 10,632,632,535,242.46
  5. Step 5: Solve for x
    x = 10,632,632,535,242.46/4,207,021.80
  6. Step 6: Final answer
    x = 2,527,353.80

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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.