Finding the Fourth Proportional to 1,854,513.63, 2,560,478.42 and 1,157,856.17
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Solution
The fourth proportional to 1,854,513.63, 2,560,478.42 and 1,157,856.17 is: 1,598,621.70
Step by Step Solution
- Step 1: Write the proportion equation
1,854,513.63 : 2,560,478.42 = 1,157,856.17 : x - Step 2: Convert to fraction form
1,854,513.63/2,560,478.42 = 1,157,856.17/x - Step 3: Cross multiply
1,854,513.63x = 2,560,478.42 × 1,157,856.17 - Step 4: Simplify right side
1,854,513.63x = 2,964,665,726,841.10 - Step 5: Solve for x
x = 2,964,665,726,841.10/1,854,513.63 - Step 6: Final answer
x = 1,598,621.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.