Finding the Fourth Proportional to 4,948,197.60, 7,421,259.60 and 2,425,663.20
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Solution
The fourth proportional to 4,948,197.60, 7,421,259.60 and 2,425,663.20 is: 3,637,986.55
Step by Step Solution
- Step 1: Write the proportion equation
4,948,197.60 : 7,421,259.60 = 2,425,663.20 : x - Step 2: Convert to fraction form
4,948,197.60/7,421,259.60 = 2,425,663.20/x - Step 3: Cross multiply
4,948,197.60x = 7,421,259.60 × 2,425,663.20 - Step 4: Simplify right side
4,948,197.60x = 18,001,476,309,366.72 - Step 5: Solve for x
x = 18,001,476,309,366.72/4,948,197.60 - Step 6: Final answer
x = 3,637,986.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.