Home / 1,923,628.50-2,655,666.81-1,440,019.62

Finding the Fourth Proportional to 1,923,628.50, 2,655,666.81 and 1,440,019.62

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Solution

The fourth proportional to 1,923,628.50, 2,655,666.81 and 1,440,019.62 is: 1,988,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,628.50 : 2,655,666.81 = 1,440,019.62 : x
  2. Step 2: Convert to fraction form
    1,923,628.50/2,655,666.81 = 1,440,019.62/x
  3. Step 3: Cross multiply
    1,923,628.50x = 2,655,666.81 × 1,440,019.62
  4. Step 4: Simplify right side
    1,923,628.50x = 3,824,212,310,582.81
  5. Step 5: Solve for x
    x = 3,824,212,310,582.81/1,923,628.50
  6. Step 6: Final answer
    x = 1,988,020.20

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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.