Finding the Fourth Proportional to 2,157,706.40, 3,237,337.20 and 896,439.20
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Solution
The fourth proportional to 2,157,706.40, 3,237,337.20 and 896,439.20 is: 1,344,981.86
Step by Step Solution
- Step 1: Write the proportion equation
2,157,706.40 : 3,237,337.20 = 896,439.20 : x - Step 2: Convert to fraction form
2,157,706.40/3,237,337.20 = 896,439.20/x - Step 3: Cross multiply
2,157,706.40x = 3,237,337.20 × 896,439.20 - Step 4: Simplify right side
2,157,706.40x = 2,902,075,969,698.24 - Step 5: Solve for x
x = 2,902,075,969,698.24/2,157,706.40 - Step 6: Final answer
x = 1,344,981.86
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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.