Finding the Fourth Proportional to 4,754,386.70, 6,562,224.42 and 2,919,284.72
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Solution
The fourth proportional to 4,754,386.70, 6,562,224.42 and 2,919,284.72 is: 4,029,331.79
Step by Step Solution
- Step 1: Write the proportion equation
4,754,386.70 : 6,562,224.42 = 2,919,284.72 : x - Step 2: Convert to fraction form
4,754,386.70/6,562,224.42 = 2,919,284.72/x - Step 3: Cross multiply
4,754,386.70x = 6,562,224.42 × 2,919,284.72 - Step 4: Simplify right side
4,754,386.70x = 19,157,001,478,516.86 - Step 5: Solve for x
x = 19,157,001,478,516.86/4,754,386.70 - Step 6: Final answer
x = 4,029,331.79
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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.