Finding the Fourth Proportional to 5,317,259.80, 7,337,781.03 and 2,902,811.80
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Solution
The fourth proportional to 5,317,259.80, 7,337,781.03 and 2,902,811.80 is: 4,005,859.82
Step by Step Solution
- Step 1: Write the proportion equation
5,317,259.80 : 7,337,781.03 = 2,902,811.80 : x - Step 2: Convert to fraction form
5,317,259.80/7,337,781.03 = 2,902,811.80/x - Step 3: Cross multiply
5,317,259.80x = 7,337,781.03 × 2,902,811.80 - Step 4: Simplify right side
5,317,259.80x = 21,300,197,359,700.15 - Step 5: Solve for x
x = 21,300,197,359,700.15/5,317,259.80 - Step 6: Final answer
x = 4,005,859.82
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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.