Finding the Fourth Proportional to 2,853,623.87, 3,938,248.79 and 1,564,713.37
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Solution
The fourth proportional to 2,853,623.87, 3,938,248.79 and 1,564,713.37 is: 2,159,440.35
Step by Step Solution
- Step 1: Write the proportion equation
2,853,623.87 : 3,938,248.79 = 1,564,713.37 : x - Step 2: Convert to fraction form
2,853,623.87/3,938,248.79 = 1,564,713.37/x - Step 3: Cross multiply
2,853,623.87x = 3,938,248.79 × 1,564,713.37 - Step 4: Simplify right side
2,853,623.87x = 6,162,230,532,187.54 - Step 5: Solve for x
x = 6,162,230,532,187.54/2,853,623.87 - Step 6: Final answer
x = 2,159,440.35
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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.