Finding the Fourth Proportional to 5,270,241.44, 7,272,128.86 and 2,977,565.60
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Solution
The fourth proportional to 5,270,241.44, 7,272,128.86 and 2,977,565.60 is: 4,108,586.10
Step by Step Solution
- Step 1: Write the proportion equation
5,270,241.44 : 7,272,128.86 = 2,977,565.60 : x - Step 2: Convert to fraction form
5,270,241.44/7,272,128.86 = 2,977,565.60/x - Step 3: Cross multiply
5,270,241.44x = 7,272,128.86 × 2,977,565.60 - Step 4: Simplify right side
5,270,241.44x = 21,653,240,688,498.66 - Step 5: Solve for x
x = 21,653,240,688,498.66/5,270,241.44 - Step 6: Final answer
x = 4,108,586.10
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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.