Home / 1,915,634.70-2,874,152.80-891,453.58

Finding the Fourth Proportional to 1,915,634.70, 2,874,152.80 and 891,453.58

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Solution

The fourth proportional to 1,915,634.70, 2,874,152.80 and 891,453.58 is: 1,337,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,634.70 : 2,874,152.80 = 891,453.58 : x
  2. Step 2: Convert to fraction form
    1,915,634.70/2,874,152.80 = 891,453.58/x
  3. Step 3: Cross multiply
    1,915,634.70x = 2,874,152.80 × 891,453.58
  4. Step 4: Simplify right side
    1,915,634.70x = 2,562,173,803,027.02
  5. Step 5: Solve for x
    x = 2,562,173,803,027.02/1,915,634.70
  6. Step 6: Final answer
    x = 1,337,506.47

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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.