Finding the Fourth Proportional to 2,976,885.36, 4,107,976.80 and 1,687,812.48
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Solution
The fourth proportional to 2,976,885.36, 4,107,976.80 and 1,687,812.48 is: 2,329,110.35
Step by Step Solution
- Step 1: Write the proportion equation
2,976,885.36 : 4,107,976.80 = 1,687,812.48 : x - Step 2: Convert to fraction form
2,976,885.36/4,107,976.80 = 1,687,812.48/x - Step 3: Cross multiply
2,976,885.36x = 4,107,976.80 × 1,687,812.48 - Step 4: Simplify right side
2,976,885.36x = 6,933,494,510,590.46 - Step 5: Solve for x
x = 6,933,494,510,590.46/2,976,885.36 - Step 6: Final answer
x = 2,329,110.35
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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.