Finding the Fourth Proportional to 3,031,925.92, 4,545,489.84 and 1,138,456.48
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Solution
The fourth proportional to 3,031,925.92, 4,545,489.84 and 1,138,456.48 is: 1,706,783.91
Step by Step Solution
- Step 1: Write the proportion equation
3,031,925.92 : 4,545,489.84 = 1,138,456.48 : x - Step 2: Convert to fraction form
3,031,925.92/4,545,489.84 = 1,138,456.48/x - Step 3: Cross multiply
3,031,925.92x = 4,545,489.84 × 1,138,456.48 - Step 4: Simplify right side
3,031,925.92x = 5,174,842,363,122.16 - Step 5: Solve for x
x = 5,174,842,363,122.16/3,031,925.92 - Step 6: Final answer
x = 1,706,783.91
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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.