Finding the Fourth Proportional to 2,947,444.89, 4,421,166.94 and 817,528.99
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Solution
The fourth proportional to 2,947,444.89, 4,421,166.94 and 817,528.99 is: 1,226,293.38
Step by Step Solution
- Step 1: Write the proportion equation
2,947,444.89 : 4,421,166.94 = 817,528.99 : x - Step 2: Convert to fraction form
2,947,444.89/4,421,166.94 = 817,528.99/x - Step 3: Cross multiply
2,947,444.89x = 4,421,166.94 × 817,528.99 - Step 4: Simplify right side
2,947,444.89x = 3,614,432,143,079.59 - Step 5: Solve for x
x = 3,614,432,143,079.59/2,947,444.89 - Step 6: Final answer
x = 1,226,293.38
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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.