Home / 2,518,888-3,778,893.30-921,415.72

Finding the Fourth Proportional to 2,518,888, 3,778,893.30 and 921,415.72

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Solution

The fourth proportional to 2,518,888, 3,778,893.30 and 921,415.72 is: 1,382,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,888 : 3,778,893.30 = 921,415.72 : x
  2. Step 2: Convert to fraction form
    2,518,888/3,778,893.30 = 921,415.72/x
  3. Step 3: Cross multiply
    2,518,888x = 3,778,893.30 × 921,415.72
  4. Step 4: Simplify right side
    2,518,888x = 3,481,931,690,822.68
  5. Step 5: Solve for x
    x = 3,481,931,690,822.68/2,518,888
  6. Step 6: Final answer
    x = 1,382,328.90

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1.5x scale

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.