Finding the Fourth Proportional to 1,759,581.15, 2,427,657.70 and 985,098.17
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Solution
The fourth proportional to 1,759,581.15, 2,427,657.70 and 985,098.17 is: 1,359,119.55
Step by Step Solution
- Step 1: Write the proportion equation
1,759,581.15 : 2,427,657.70 = 985,098.17 : x - Step 2: Convert to fraction form
1,759,581.15/2,427,657.70 = 985,098.17/x - Step 3: Cross multiply
1,759,581.15x = 2,427,657.70 × 985,098.17 - Step 4: Simplify right side
1,759,581.15x = 2,391,481,140,592.63 - Step 5: Solve for x
x = 2,391,481,140,592.63/1,759,581.15 - Step 6: Final answer
x = 1,359,119.55
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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.