Finding the Fourth Proportional to 4,768,398.72, 6,580,353.60 and 2,592,943.20
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Solution
The fourth proportional to 4,768,398.72, 6,580,353.60 and 2,592,943.20 is: 3,578,241.70
Step by Step Solution
- Step 1: Write the proportion equation
4,768,398.72 : 6,580,353.60 = 2,592,943.20 : x - Step 2: Convert to fraction form
4,768,398.72/6,580,353.60 = 2,592,943.20/x - Step 3: Cross multiply
4,768,398.72x = 6,580,353.60 × 2,592,943.20 - Step 4: Simplify right side
4,768,398.72x = 17,062,483,120,715.52 - Step 5: Solve for x
x = 17,062,483,120,715.52/4,768,398.72 - Step 6: Final answer
x = 3,578,241.70
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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.