Finding the Fourth Proportional to 4,975,239.61, 7,462,901.18 and 1,381,286.81
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Solution
The fourth proportional to 4,975,239.61, 7,462,901.18 and 1,381,286.81 is: 2,071,941.81
Step by Step Solution
- Step 1: Write the proportion equation
4,975,239.61 : 7,462,901.18 = 1,381,286.81 : x - Step 2: Convert to fraction form
4,975,239.61/7,462,901.18 = 1,381,286.81/x - Step 3: Cross multiply
4,975,239.61x = 7,462,901.18 × 1,381,286.81 - Step 4: Simplify right side
4,975,239.61x = 10,308,406,944,399.09 - Step 5: Solve for x
x = 10,308,406,944,399.09/4,975,239.61 - Step 6: Final answer
x = 2,071,941.81
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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.