Finding the Fourth Proportional to 6,168,721, 8,497,624.36 and 5,248,001.28
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Solution
The fourth proportional to 6,168,721, 8,497,624.36 and 5,248,001.28 is: 7,229,301.43
Step by Step Solution
- Step 1: Write the proportion equation
6,168,721 : 8,497,624.36 = 5,248,001.28 : x - Step 2: Convert to fraction form
6,168,721/8,497,624.36 = 5,248,001.28/x - Step 3: Cross multiply
6,168,721x = 8,497,624.36 × 5,248,001.28 - Step 4: Simplify right side
6,168,721x = 44,595,543,518,239.18 - Step 5: Solve for x
x = 44,595,543,518,239.18/6,168,721 - Step 6: Final answer
x = 7,229,301.43
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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.