Finding the Fourth Proportional to 1,518,982.70, 2,278,474.05 and 1,495,363.10
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Solution
The fourth proportional to 1,518,982.70, 2,278,474.05 and 1,495,363.10 is: 2,243,044.65
Step by Step Solution
- Step 1: Write the proportion equation
1,518,982.70 : 2,278,474.05 = 1,495,363.10 : x - Step 2: Convert to fraction form
1,518,982.70/2,278,474.05 = 1,495,363.10/x - Step 3: Cross multiply
1,518,982.70x = 2,278,474.05 × 1,495,363.10 - Step 4: Simplify right side
1,518,982.70x = 3,407,146,018,677.56 - Step 5: Solve for x
x = 3,407,146,018,677.56/1,518,982.70 - Step 6: Final answer
x = 2,243,044.65
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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.