Home / 1,898,179.70-2,619,487.95-1,038,740.24

Finding the Fourth Proportional to 1,898,179.70, 2,619,487.95 and 1,038,740.24

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Solution

The fourth proportional to 1,898,179.70, 2,619,487.95 and 1,038,740.24 is: 1,433,461.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,179.70 : 2,619,487.95 = 1,038,740.24 : x
  2. Step 2: Convert to fraction form
    1,898,179.70/2,619,487.95 = 1,038,740.24/x
  3. Step 3: Cross multiply
    1,898,179.70x = 2,619,487.95 × 1,038,740.24
  4. Step 4: Simplify right side
    1,898,179.70x = 2,720,967,541,860.11
  5. Step 5: Solve for x
    x = 2,720,967,541,860.11/1,898,179.70
  6. Step 6: Final answer
    x = 1,433,461.51

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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.