Finding the Fourth Proportional to 5,296,446.98, 7,934,643.07 and 3,130,988.93
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Solution
The fourth proportional to 5,296,446.98, 7,934,643.07 and 3,130,988.93 is: 4,690,555.71
Step by Step Solution
- Step 1: Write the proportion equation
5,296,446.98 : 7,934,643.07 = 3,130,988.93 : x - Step 2: Convert to fraction form
5,296,446.98/7,934,643.07 = 3,130,988.93/x - Step 3: Cross multiply
5,296,446.98x = 7,934,643.07 × 3,130,988.93 - Step 4: Simplify right side
5,296,446.98x = 24,843,279,597,925.44 - Step 5: Solve for x
x = 24,843,279,597,925.44/5,296,446.98 - Step 6: Final answer
x = 4,690,555.71
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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.