Finding the Fourth Proportional to 5,207,304.37, 7,185,999.77 and 2,915,547.07
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Solution
The fourth proportional to 5,207,304.37, 7,185,999.77 and 2,915,547.07 is: 4,023,410.02
Step by Step Solution
- Step 1: Write the proportion equation
5,207,304.37 : 7,185,999.77 = 2,915,547.07 : x - Step 2: Convert to fraction form
5,207,304.37/7,185,999.77 = 2,915,547.07/x - Step 3: Cross multiply
5,207,304.37x = 7,185,999.77 × 2,915,547.07 - Step 4: Simplify right side
5,207,304.37x = 20,951,120,574,444.17 - Step 5: Solve for x
x = 20,951,120,574,444.17/5,207,304.37 - Step 6: Final answer
x = 4,023,410.02
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1.5x scale
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.