Finding the Fourth Proportional to 2,389,330.65, 3,297,274.85 and 1,316,242.65
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Solution
The fourth proportional to 2,389,330.65, 3,297,274.85 and 1,316,242.65 is: 1,816,414.06
Step by Step Solution
- Step 1: Write the proportion equation
2,389,330.65 : 3,297,274.85 = 1,316,242.65 : x - Step 2: Convert to fraction form
2,389,330.65/3,297,274.85 = 1,316,242.65/x - Step 3: Cross multiply
2,389,330.65x = 3,297,274.85 × 1,316,242.65 - Step 4: Simplify right side
2,389,330.65x = 4,340,013,779,761.14 - Step 5: Solve for x
x = 4,340,013,779,761.14/2,389,330.65 - Step 6: Final answer
x = 1,816,414.06
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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.