Finding the Fourth Proportional to 1,570,912.96, 2,354,374.41 and 812,612.02
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Solution
The fourth proportional to 1,570,912.96, 2,354,374.41 and 812,612.02 is: 1,217,886.03
Step by Step Solution
- Step 1: Write the proportion equation
1,570,912.96 : 2,354,374.41 = 812,612.02 : x - Step 2: Convert to fraction form
1,570,912.96/2,354,374.41 = 812,612.02/x - Step 3: Cross multiply
1,570,912.96x = 2,354,374.41 × 812,612.02 - Step 4: Simplify right side
1,570,912.96x = 1,913,192,945,146.41 - Step 5: Solve for x
x = 1,913,192,945,146.41/1,570,912.96 - Step 6: Final answer
x = 1,217,886.03
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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.