Finding the Fourth Proportional to 6,907,409.01, 10,358,103.65 and 1,982,356.08
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Solution
The fourth proportional to 6,907,409.01, 10,358,103.65 and 1,982,356.08 is: 2,972,670.32
Step by Step Solution
- Step 1: Write the proportion equation
6,907,409.01 : 10,358,103.65 = 1,982,356.08 : x - Step 2: Convert to fraction form
6,907,409.01/10,358,103.65 = 1,982,356.08/x - Step 3: Cross multiply
6,907,409.01x = 10,358,103.65 × 1,982,356.08 - Step 4: Simplify right side
6,907,409.01x = 20,533,449,737,935.91 - Step 5: Solve for x
x = 20,533,449,737,935.91/6,907,409.01 - Step 6: Final answer
x = 2,972,670.32
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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.