Finding the Fourth Proportional to 4,127,796.30, 6,192,277.65 and 1,287,612.30
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Solution
The fourth proportional to 4,127,796.30, 6,192,277.65 and 1,287,612.30 is: 1,931,600.37
Step by Step Solution
- Step 1: Write the proportion equation
4,127,796.30 : 6,192,277.65 = 1,287,612.30 : x - Step 2: Convert to fraction form
4,127,796.30/6,192,277.65 = 1,287,612.30/x - Step 3: Cross multiply
4,127,796.30x = 6,192,277.65 × 1,287,612.30 - Step 4: Simplify right side
4,127,796.30x = 7,973,252,867,155.10 - Step 5: Solve for x
x = 7,973,252,867,155.10/4,127,796.30 - Step 6: Final answer
x = 1,931,600.37
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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.