Finding the Fourth Proportional to 1,564,541.92, 2,158,993.20 and 960,813.28
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Solution
The fourth proportional to 1,564,541.92, 2,158,993.20 and 960,813.28 is: 1,325,876.48
Step by Step Solution
- Step 1: Write the proportion equation
1,564,541.92 : 2,158,993.20 = 960,813.28 : x - Step 2: Convert to fraction form
1,564,541.92/2,158,993.20 = 960,813.28/x - Step 3: Cross multiply
1,564,541.92x = 2,158,993.20 × 960,813.28 - Step 4: Simplify right side
1,564,541.92x = 2,074,389,337,989.70 - Step 5: Solve for x
x = 2,074,389,337,989.70/1,564,541.92 - Step 6: Final answer
x = 1,325,876.48
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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.