Finding the Fourth Proportional to 2,195,947.31, 3,289,123.67 and 912,663.99
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Solution
The fourth proportional to 2,195,947.31, 3,289,123.67 and 912,663.99 is: 1,367,002.17
Step by Step Solution
- Step 1: Write the proportion equation
2,195,947.31 : 3,289,123.67 = 912,663.99 : x - Step 2: Convert to fraction form
2,195,947.31/3,289,123.67 = 912,663.99/x - Step 3: Cross multiply
2,195,947.31x = 3,289,123.67 × 912,663.99 - Step 4: Simplify right side
2,195,947.31x = 3,001,864,727,702.32 - Step 5: Solve for x
x = 3,001,864,727,702.32/2,195,947.31 - Step 6: Final answer
x = 1,367,002.17
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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.