Finding the Fourth Proportional to 4,217,479.74, 5,820,149.88 and 2,283,740.28
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Solution
The fourth proportional to 4,217,479.74, 5,820,149.88 and 2,283,740.28 is: 3,151,576.66
Step by Step Solution
- Step 1: Write the proportion equation
4,217,479.74 : 5,820,149.88 = 2,283,740.28 : x - Step 2: Convert to fraction form
4,217,479.74/5,820,149.88 = 2,283,740.28/x - Step 3: Cross multiply
4,217,479.74x = 5,820,149.88 × 2,283,740.28 - Step 4: Simplify right side
4,217,479.74x = 13,291,710,716,593.16 - Step 5: Solve for x
x = 13,291,710,716,593.16/4,217,479.74 - Step 6: Final answer
x = 3,151,576.66
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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.