Home / 1,566,509.58-2,161,620.63-921,891.33

Finding the Fourth Proportional to 1,566,509.58, 2,161,620.63 and 921,891.33

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Solution

The fourth proportional to 1,566,509.58, 2,161,620.63 and 921,891.33 is: 1,272,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,509.58 : 2,161,620.63 = 921,891.33 : x
  2. Step 2: Convert to fraction form
    1,566,509.58/2,161,620.63 = 921,891.33/x
  3. Step 3: Cross multiply
    1,566,509.58x = 2,161,620.63 × 921,891.33
  4. Step 4: Simplify right side
    1,566,509.58x = 1,992,779,317,546.14
  5. Step 5: Solve for x
    x = 1,992,779,317,546.14/1,566,509.58
  6. Step 6: Final answer
    x = 1,272,114.35

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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.