Finding the Fourth Proportional to 6,138,306.84, 8,470,927.86 and 3,385,092.48
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Solution
The fourth proportional to 6,138,306.84, 8,470,927.86 and 3,385,092.48 is: 4,671,463.15
Step by Step Solution
- Step 1: Write the proportion equation
6,138,306.84 : 8,470,927.86 = 3,385,092.48 : x - Step 2: Convert to fraction form
6,138,306.84/8,470,927.86 = 3,385,092.48/x - Step 3: Cross multiply
6,138,306.84x = 8,470,927.86 × 3,385,092.48 - Step 4: Simplify right side
6,138,306.84x = 28,674,874,197,508.49 - Step 5: Solve for x
x = 28,674,874,197,508.49/6,138,306.84 - Step 6: Final answer
x = 4,671,463.15
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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.