Finding the Fourth Proportional to 1,694,656.60, 2,540,688.90 and 853,811.80
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Solution
The fourth proportional to 1,694,656.60, 2,540,688.90 and 853,811.80 is: 1,280,064.74
Step by Step Solution
- Step 1: Write the proportion equation
1,694,656.60 : 2,540,688.90 = 853,811.80 : x - Step 2: Convert to fraction form
1,694,656.60/2,540,688.90 = 853,811.80/x - Step 3: Cross multiply
1,694,656.60x = 2,540,688.90 × 853,811.80 - Step 4: Simplify right side
1,694,656.60x = 2,169,270,162,949.02 - Step 5: Solve for x
x = 2,169,270,162,949.02/1,694,656.60 - Step 6: Final answer
x = 1,280,064.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.