Finding the Fourth Proportional to 3,465,987.97, 4,781,901.74 and 1,995,864.93
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Solution
The fourth proportional to 3,465,987.97, 4,781,901.74 and 1,995,864.93 is: 2,753,624.67
Step by Step Solution
- Step 1: Write the proportion equation
3,465,987.97 : 4,781,901.74 = 1,995,864.93 : x - Step 2: Convert to fraction form
3,465,987.97/4,781,901.74 = 1,995,864.93/x - Step 3: Cross multiply
3,465,987.97x = 4,781,901.74 × 1,995,864.93 - Step 4: Simplify right side
3,465,987.97x = 9,544,029,989,524.79 - Step 5: Solve for x
x = 9,544,029,989,524.79/3,465,987.97 - Step 6: Final answer
x = 2,753,624.67
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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.