Finding the Fourth Proportional to 6,177,430.31, 8,521,970.45 and 3,886,853.99
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Solution
The fourth proportional to 6,177,430.31, 8,521,970.45 and 3,886,853.99 is: 5,362,044.27
Step by Step Solution
- Step 1: Write the proportion equation
6,177,430.31 : 8,521,970.45 = 3,886,853.99 : x - Step 2: Convert to fraction form
6,177,430.31/8,521,970.45 = 3,886,853.99/x - Step 3: Cross multiply
6,177,430.31x = 8,521,970.45 × 3,886,853.99 - Step 4: Simplify right side
6,177,430.31x = 33,123,654,784,200.47 - Step 5: Solve for x
x = 33,123,654,784,200.47/6,177,430.31 - Step 6: Final answer
x = 5,362,044.27
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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.