Home / 1,589,457.61-2,199,227.43-1,385,932.60

Finding the Fourth Proportional to 1,589,457.61, 2,199,227.43 and 1,385,932.60

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Solution

The fourth proportional to 1,589,457.61, 2,199,227.43 and 1,385,932.60 is: 1,917,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,457.61 : 2,199,227.43 = 1,385,932.60 : x
  2. Step 2: Convert to fraction form
    1,589,457.61/2,199,227.43 = 1,385,932.60/x
  3. Step 3: Cross multiply
    1,589,457.61x = 2,199,227.43 × 1,385,932.60
  4. Step 4: Simplify right side
    1,589,457.61x = 3,047,980,990,051.22
  5. Step 5: Solve for x
    x = 3,047,980,990,051.22/1,589,457.61
  6. Step 6: Final answer
    x = 1,917,623.33

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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.