Home / 1,823,619.60-2,731,492.80-1,185,890.40

Finding the Fourth Proportional to 1,823,619.60, 2,731,492.80 and 1,185,890.40

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Solution

The fourth proportional to 1,823,619.60, 2,731,492.80 and 1,185,890.40 is: 1,776,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823,619.60 : 2,731,492.80 = 1,185,890.40 : x
  2. Step 2: Convert to fraction form
    1,823,619.60/2,731,492.80 = 1,185,890.40/x
  3. Step 3: Cross multiply
    1,823,619.60x = 2,731,492.80 × 1,185,890.40
  4. Step 4: Simplify right side
    1,823,619.60x = 3,239,251,089,189.12
  5. Step 5: Solve for x
    x = 3,239,251,089,189.12/1,823,619.60
  6. Step 6: Final answer
    x = 1,776,275.65

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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.