Finding the Fourth Proportional to 1,528,671.63, 2,109,593.68 and 840,372.50
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Solution
The fourth proportional to 1,528,671.63, 2,109,593.68 and 840,372.50 is: 1,159,728.79
Step by Step Solution
- Step 1: Write the proportion equation
1,528,671.63 : 2,109,593.68 = 840,372.50 : x - Step 2: Convert to fraction form
1,528,671.63/2,109,593.68 = 840,372.50/x - Step 3: Cross multiply
1,528,671.63x = 2,109,593.68 × 840,372.50 - Step 4: Simplify right side
1,528,671.63x = 1,772,844,500,095.97 - Step 5: Solve for x
x = 1,772,844,500,095.97/1,528,671.63 - Step 6: Final answer
x = 1,159,728.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.