Finding the Fourth Proportional to 6,637,717.90, 9,958,117.08 and 2,088,648.46
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Solution
The fourth proportional to 6,637,717.90, 9,958,117.08 and 2,088,648.46 is: 3,133,457.34
Step by Step Solution
- Step 1: Write the proportion equation
6,637,717.90 : 9,958,117.08 = 2,088,648.46 : x - Step 2: Convert to fraction form
6,637,717.90/9,958,117.08 = 2,088,648.46/x - Step 3: Cross multiply
6,637,717.90x = 9,958,117.08 × 2,088,648.46 - Step 4: Simplify right side
6,637,717.90x = 20,799,005,853,851.11 - Step 5: Solve for x
x = 20,799,005,853,851.11/6,637,717.90 - Step 6: Final answer
x = 3,133,457.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.