Finding the Fourth Proportional to 1,860,979.92, 2,569,127.86 and 1,252,332.96
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Solution
The fourth proportional to 1,860,979.92, 2,569,127.86 and 1,252,332.96 is: 1,728,875.99
Step by Step Solution
- Step 1: Write the proportion equation
1,860,979.92 : 2,569,127.86 = 1,252,332.96 : x - Step 2: Convert to fraction form
1,860,979.92/2,569,127.86 = 1,252,332.96/x - Step 3: Cross multiply
1,860,979.92x = 2,569,127.86 × 1,252,332.96 - Step 4: Simplify right side
1,860,979.92x = 3,217,403,497,532.27 - Step 5: Solve for x
x = 3,217,403,497,532.27/1,860,979.92 - Step 6: Final answer
x = 1,728,875.99
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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.