Home / 1,903,089.89-2,626,022.05-1,087,346.41

Finding the Fourth Proportional to 1,903,089.89, 2,626,022.05 and 1,087,346.41

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Solution

The fourth proportional to 1,903,089.89, 2,626,022.05 and 1,087,346.41 is: 1,500,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,089.89 : 2,626,022.05 = 1,087,346.41 : x
  2. Step 2: Convert to fraction form
    1,903,089.89/2,626,022.05 = 1,087,346.41/x
  3. Step 3: Cross multiply
    1,903,089.89x = 2,626,022.05 × 1,087,346.41
  4. Step 4: Simplify right side
    1,903,089.89x = 2,855,395,639,364.92
  5. Step 5: Solve for x
    x = 2,855,395,639,364.92/1,903,089.89
  6. Step 6: Final answer
    x = 1,500,399.77

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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.