Finding the Fourth Proportional to 4,155,689.80, 6,233,534.70 and 1,916,201.80
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Solution
The fourth proportional to 4,155,689.80, 6,233,534.70 and 1,916,201.80 is: 2,874,302.70
Step by Step Solution
- Step 1: Write the proportion equation
4,155,689.80 : 6,233,534.70 = 1,916,201.80 : x - Step 2: Convert to fraction form
4,155,689.80/6,233,534.70 = 1,916,201.80/x - Step 3: Cross multiply
4,155,689.80x = 6,233,534.70 × 1,916,201.80 - Step 4: Simplify right side
4,155,689.80x = 11,944,710,412,502.46 - Step 5: Solve for x
x = 11,944,710,412,502.46/4,155,689.80 - Step 6: Final answer
x = 2,874,302.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.