Finding the Fourth Proportional to 1,975,974.48, 2,725,340.20 and 1,700,800.68
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Solution
The fourth proportional to 1,975,974.48, 2,725,340.20 and 1,700,800.68 is: 2,345,809.88
Step by Step Solution
- Step 1: Write the proportion equation
1,975,974.48 : 2,725,340.20 = 1,700,800.68 : x - Step 2: Convert to fraction form
1,975,974.48/2,725,340.20 = 1,700,800.68/x - Step 3: Cross multiply
1,975,974.48x = 2,725,340.20 × 1,700,800.68 - Step 4: Simplify right side
1,975,974.48x = 4,635,260,465,391.34 - Step 5: Solve for x
x = 4,635,260,465,391.34/1,975,974.48 - Step 6: Final answer
x = 2,345,809.88
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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.