Finding the Fourth Proportional to 5,470,460.65, 7,549,258.83 and 2,989,731.97
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Solution
The fourth proportional to 5,470,460.65, 7,549,258.83 and 2,989,731.97 is: 4,125,842.76
Step by Step Solution
- Step 1: Write the proportion equation
5,470,460.65 : 7,549,258.83 = 2,989,731.97 : x - Step 2: Convert to fraction form
5,470,460.65/7,549,258.83 = 2,989,731.97/x - Step 3: Cross multiply
5,470,460.65x = 7,549,258.83 × 2,989,731.97 - Step 4: Simplify right side
5,470,460.65x = 22,570,260,472,080.88 - Step 5: Solve for x
x = 22,570,260,472,080.88/5,470,460.65 - Step 6: Final answer
x = 4,125,842.76
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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.