Finding the Fourth Proportional to 5,521,836.10, 8,277,829.35 and 2,155,260.10
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Solution
The fourth proportional to 5,521,836.10, 8,277,829.35 and 2,155,260.10 is: 3,230,967.92
Step by Step Solution
- Step 1: Write the proportion equation
5,521,836.10 : 8,277,829.35 = 2,155,260.10 : x - Step 2: Convert to fraction form
5,521,836.10/8,277,829.35 = 2,155,260.10/x - Step 3: Cross multiply
5,521,836.10x = 8,277,829.35 × 2,155,260.10 - Step 4: Simplify right side
5,521,836.10x = 17,840,875,312,663.93 - Step 5: Solve for x
x = 17,840,875,312,663.93/5,521,836.10 - Step 6: Final answer
x = 3,230,967.92
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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.