Finding the Fourth Proportional to 4,975,958.18, 7,463,931.77 and 1,564,543.01
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Solution
The fourth proportional to 4,975,958.18, 7,463,931.77 and 1,564,543.01 is: 2,346,812.79
Step by Step Solution
- Step 1: Write the proportion equation
4,975,958.18 : 7,463,931.77 = 1,564,543.01 : x - Step 2: Convert to fraction form
4,975,958.18/7,463,931.77 = 1,564,543.01/x - Step 3: Cross multiply
4,975,958.18x = 7,463,931.77 × 1,564,543.01 - Step 4: Simplify right side
4,975,958.18x = 11,677,642,300,441.61 - Step 5: Solve for x
x = 11,677,642,300,441.61/4,975,958.18 - Step 6: Final answer
x = 2,346,812.79
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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.