Finding the Fourth Proportional to 1,564,483.92, 2,158,809.16 and 876,060.08
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Solution
The fourth proportional to 1,564,483.92, 2,158,809.16 and 876,060.08 is: 1,208,862.87
Step by Step Solution
- Step 1: Write the proportion equation
1,564,483.92 : 2,158,809.16 = 876,060.08 : x - Step 2: Convert to fraction form
1,564,483.92/2,158,809.16 = 876,060.08/x - Step 3: Cross multiply
1,564,483.92x = 2,158,809.16 × 876,060.08 - Step 4: Simplify right side
1,564,483.92x = 1,891,246,525,414.33 - Step 5: Solve for x
x = 1,891,246,525,414.33/1,564,483.92 - Step 6: Final answer
x = 1,208,862.87
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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.