Finding the Fourth Proportional to 3,458,215.68, 5,176,694.40 and 2,948,032.32
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Solution
The fourth proportional to 3,458,215.68, 5,176,694.40 and 2,948,032.32 is: 4,412,987.45
Step by Step Solution
- Step 1: Write the proportion equation
3,458,215.68 : 5,176,694.40 = 2,948,032.32 : x - Step 2: Convert to fraction form
3,458,215.68/5,176,694.40 = 2,948,032.32/x - Step 3: Cross multiply
3,458,215.68x = 5,176,694.40 × 2,948,032.32 - Step 4: Simplify right side
3,458,215.68x = 15,261,062,401,963.01 - Step 5: Solve for x
x = 15,261,062,401,963.01/3,458,215.68 - Step 6: Final answer
x = 4,412,987.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.