Finding the Fourth Proportional to 3,604,908.68, 4,974,766.74 and 1,973,316.50
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Solution
The fourth proportional to 3,604,908.68, 4,974,766.74 and 1,973,316.50 is: 2,723,172.81
Step by Step Solution
- Step 1: Write the proportion equation
3,604,908.68 : 4,974,766.74 = 1,973,316.50 : x - Step 2: Convert to fraction form
3,604,908.68/4,974,766.74 = 1,973,316.50/x - Step 3: Cross multiply
3,604,908.68x = 4,974,766.74 × 1,973,316.50 - Step 4: Simplify right side
3,604,908.68x = 9,816,789,291,693.21 - Step 5: Solve for x
x = 9,816,789,291,693.21/3,604,908.68 - Step 6: Final answer
x = 2,723,172.81
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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.