Finding the Fourth Proportional to 5,488,918.92, 7,572,224.12 and 3,312,766.44
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Solution
The fourth proportional to 5,488,918.92, 7,572,224.12 and 3,312,766.44 is: 4,570,118.50
Step by Step Solution
- Step 1: Write the proportion equation
5,488,918.92 : 7,572,224.12 = 3,312,766.44 : x - Step 2: Convert to fraction form
5,488,918.92/7,572,224.12 = 3,312,766.44/x - Step 3: Cross multiply
5,488,918.92x = 7,572,224.12 × 3,312,766.44 - Step 4: Simplify right side
5,488,918.92x = 25,085,009,924,330.70 - Step 5: Solve for x
x = 25,085,009,924,330.70/5,488,918.92 - Step 6: Final answer
x = 4,570,118.50
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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.