Home / 1,559,406.83-2,151,175.37-986,779.17

Finding the Fourth Proportional to 1,559,406.83, 2,151,175.37 and 986,779.17

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Solution

The fourth proportional to 1,559,406.83, 2,151,175.37 and 986,779.17 is: 1,361,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,406.83 : 2,151,175.37 = 986,779.17 : x
  2. Step 2: Convert to fraction form
    1,559,406.83/2,151,175.37 = 986,779.17/x
  3. Step 3: Cross multiply
    1,559,406.83x = 2,151,175.37 × 986,779.17
  4. Step 4: Simplify right side
    1,559,406.83x = 2,122,735,041,199.15
  5. Step 5: Solve for x
    x = 2,122,735,041,199.15/1,559,406.83
  6. Step 6: Final answer
    x = 1,361,245.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.