Finding the Fourth Proportional to 3,953,160.18, 5,455,946.16 and 2,502,990.18
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Solution
The fourth proportional to 3,953,160.18, 5,455,946.16 and 2,502,990.18 is: 3,454,496.92
Step by Step Solution
- Step 1: Write the proportion equation
3,953,160.18 : 5,455,946.16 = 2,502,990.18 : x - Step 2: Convert to fraction form
3,953,160.18/5,455,946.16 = 2,502,990.18/x - Step 3: Cross multiply
3,953,160.18x = 5,455,946.16 × 2,502,990.18 - Step 4: Simplify right side
3,953,160.18x = 13,656,179,661,088.71 - Step 5: Solve for x
x = 13,656,179,661,088.71/3,953,160.18 - Step 6: Final answer
x = 3,454,496.92
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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.