Home / 1,909,886.85-2,865,115.11-630,629.46

Finding the Fourth Proportional to 1,909,886.85, 2,865,115.11 and 630,629.46

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Solution

The fourth proportional to 1,909,886.85, 2,865,115.11 and 630,629.46 is: 946,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,886.85 : 2,865,115.11 = 630,629.46 : x
  2. Step 2: Convert to fraction form
    1,909,886.85/2,865,115.11 = 630,629.46/x
  3. Step 3: Cross multiply
    1,909,886.85x = 2,865,115.11 × 630,629.46
  4. Step 4: Simplify right side
    1,909,886.85x = 1,806,825,994,657.14
  5. Step 5: Solve for x
    x = 1,806,825,994,657.14/1,909,886.85
  6. Step 6: Final answer
    x = 946,038.24

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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.