Finding the Fourth Proportional to 2,957,654.92, 4,081,752.84 and 1,668,024.76
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Solution
The fourth proportional to 2,957,654.92, 4,081,752.84 and 1,668,024.76 is: 2,301,980.79
Step by Step Solution
- Step 1: Write the proportion equation
2,957,654.92 : 4,081,752.84 = 1,668,024.76 : x - Step 2: Convert to fraction form
2,957,654.92/4,081,752.84 = 1,668,024.76/x - Step 3: Cross multiply
2,957,654.92x = 4,081,752.84 × 1,668,024.76 - Step 4: Simplify right side
2,957,654.92x = 6,808,464,801,320.32 - Step 5: Solve for x
x = 6,808,464,801,320.32/2,957,654.92 - Step 6: Final answer
x = 2,301,980.79
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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.