Home / 2,519,323.40-3,778,985.10-921,938.60

Finding the Fourth Proportional to 2,519,323.40, 3,778,985.10 and 921,938.60

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Solution

The fourth proportional to 2,519,323.40, 3,778,985.10 and 921,938.60 is: 1,382,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,323.40 : 3,778,985.10 = 921,938.60 : x
  2. Step 2: Convert to fraction form
    2,519,323.40/3,778,985.10 = 921,938.60/x
  3. Step 3: Cross multiply
    2,519,323.40x = 3,778,985.10 × 921,938.60
  4. Step 4: Simplify right side
    2,519,323.40x = 3,483,992,232,514.86
  5. Step 5: Solve for x
    x = 3,483,992,232,514.86/2,519,323.40
  6. Step 6: Final answer
    x = 1,382,907.90

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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.