Finding the Fourth Proportional to 2,924,220.80, 4,381,471.20 and 2,813,646.08
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Solution
The fourth proportional to 2,924,220.80, 4,381,471.20 and 2,813,646.08 is: 4,215,792.89
Step by Step Solution
- Step 1: Write the proportion equation
2,924,220.80 : 4,381,471.20 = 2,813,646.08 : x - Step 2: Convert to fraction form
2,924,220.80/4,381,471.20 = 2,813,646.08/x - Step 3: Cross multiply
2,924,220.80x = 4,381,471.20 × 2,813,646.08 - Step 4: Simplify right side
2,924,220.80x = 12,327,909,266,512.90 - Step 5: Solve for x
x = 12,327,909,266,512.90/2,924,220.80 - Step 6: Final answer
x = 4,215,792.89
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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.