Finding the Fourth Proportional to 3,387,293.16, 4,674,446.18 and 1,859,426.28
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Solution
The fourth proportional to 3,387,293.16, 4,674,446.18 and 1,859,426.28 is: 2,565,998.18
Step by Step Solution
- Step 1: Write the proportion equation
3,387,293.16 : 4,674,446.18 = 1,859,426.28 : x - Step 2: Convert to fraction form
3,387,293.16/4,674,446.18 = 1,859,426.28/x - Step 3: Cross multiply
3,387,293.16x = 4,674,446.18 × 1,859,426.28 - Step 4: Simplify right side
3,387,293.16x = 8,691,788,071,537.61 - Step 5: Solve for x
x = 8,691,788,071,537.61/3,387,293.16 - Step 6: Final answer
x = 2,565,998.18
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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.