Finding the Fourth Proportional to 5,287,680.05, 7,931,547.44 and 2,407,032.31
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Solution
The fourth proportional to 5,287,680.05, 7,931,547.44 and 2,407,032.31 is: 3,610,560.92
Step by Step Solution
- Step 1: Write the proportion equation
5,287,680.05 : 7,931,547.44 = 2,407,032.31 : x - Step 2: Convert to fraction form
5,287,680.05/7,931,547.44 = 2,407,032.31/x - Step 3: Cross multiply
5,287,680.05x = 7,931,547.44 × 2,407,032.31 - Step 4: Simplify right side
5,287,680.05x = 19,091,490,907,693.68 - Step 5: Solve for x
x = 19,091,490,907,693.68/5,287,680.05 - Step 6: Final answer
x = 3,610,560.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.