Finding the Fourth Proportional to 5,791,926.20, 8,690,999.70 and 2,426,473.40
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Solution
The fourth proportional to 5,791,926.20, 8,690,999.70 and 2,426,473.40 is: 3,641,013.17
Step by Step Solution
- Step 1: Write the proportion equation
5,791,926.20 : 8,690,999.70 = 2,426,473.40 : x - Step 2: Convert to fraction form
5,791,926.20/8,690,999.70 = 2,426,473.40/x - Step 3: Cross multiply
5,791,926.20x = 8,690,999.70 × 2,426,473.40 - Step 4: Simplify right side
5,791,926.20x = 21,088,479,591,457.98 - Step 5: Solve for x
x = 21,088,479,591,457.98/5,791,926.20 - Step 6: Final answer
x = 3,641,013.17
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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.