Finding the Fourth Proportional to 4,345,996.80, 6,516,403.20 and 2,664,307.20
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Solution
The fourth proportional to 4,345,996.80, 6,516,403.20 and 2,664,307.20 is: 3,994,871.78
Step by Step Solution
- Step 1: Write the proportion equation
4,345,996.80 : 6,516,403.20 = 2,664,307.20 : x - Step 2: Convert to fraction form
4,345,996.80/6,516,403.20 = 2,664,307.20/x - Step 3: Cross multiply
4,345,996.80x = 6,516,403.20 × 2,664,307.20 - Step 4: Simplify right side
4,345,996.80x = 17,361,699,963,863.04 - Step 5: Solve for x
x = 17,361,699,963,863.04/4,345,996.80 - Step 6: Final answer
x = 3,994,871.78
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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.