Finding the Fourth Proportional to 2,979,132.01, 4,103,370.84 and 2,289,484.24
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Solution
The fourth proportional to 2,979,132.01, 4,103,370.84 and 2,289,484.24 is: 3,153,469.82
Step by Step Solution
- Step 1: Write the proportion equation
2,979,132.01 : 4,103,370.84 = 2,289,484.24 : x - Step 2: Convert to fraction form
2,979,132.01/4,103,370.84 = 2,289,484.24/x - Step 3: Cross multiply
2,979,132.01x = 4,103,370.84 × 2,289,484.24 - Step 4: Simplify right side
2,979,132.01x = 9,394,602,869,055.56 - Step 5: Solve for x
x = 9,394,602,869,055.56/2,979,132.01 - Step 6: Final answer
x = 3,153,469.82
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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.