Finding the Fourth Proportional to 2,853,612.18, 3,937,983.84 and 1,564,424.91
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Solution
The fourth proportional to 2,853,612.18, 3,937,983.84 and 1,564,424.91 is: 2,158,905.84
Step by Step Solution
- Step 1: Write the proportion equation
2,853,612.18 : 3,937,983.84 = 1,564,424.91 : x - Step 2: Convert to fraction form
2,853,612.18/3,937,983.84 = 1,564,424.91/x - Step 3: Cross multiply
2,853,612.18x = 3,937,983.84 × 1,564,424.91 - Step 4: Simplify right side
2,853,612.18x = 6,160,680,014,473.45 - Step 5: Solve for x
x = 6,160,680,014,473.45/2,853,612.18 - Step 6: Final answer
x = 2,158,905.84
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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.