Home / 1,699,343.80-2,549,015.70-1,400,745.40

Finding the Fourth Proportional to 1,699,343.80, 2,549,015.70 and 1,400,745.40

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Solution

The fourth proportional to 1,699,343.80, 2,549,015.70 and 1,400,745.40 is: 2,101,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,343.80 : 2,549,015.70 = 1,400,745.40 : x
  2. Step 2: Convert to fraction form
    1,699,343.80/2,549,015.70 = 1,400,745.40/x
  3. Step 3: Cross multiply
    1,699,343.80x = 2,549,015.70 × 1,400,745.40
  4. Step 4: Simplify right side
    1,699,343.80x = 3,570,522,016,302.78
  5. Step 5: Solve for x
    x = 3,570,522,016,302.78/1,699,343.80
  6. Step 6: Final answer
    x = 2,101,118.10

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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.