Finding the Fourth Proportional to 1,687,622.05, 2,328,924.58 and 913,252.80
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Solution
The fourth proportional to 1,687,622.05, 2,328,924.58 and 913,252.80 is: 1,260,292.19
Step by Step Solution
- Step 1: Write the proportion equation
1,687,622.05 : 2,328,924.58 = 913,252.80 : x - Step 2: Convert to fraction form
1,687,622.05/2,328,924.58 = 913,252.80/x - Step 3: Cross multiply
1,687,622.05x = 2,328,924.58 × 913,252.80 - Step 4: Simplify right side
1,687,622.05x = 2,126,896,891,390.69 - Step 5: Solve for x
x = 2,126,896,891,390.69/1,687,622.05 - Step 6: Final answer
x = 1,260,292.19
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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.