Finding the Fourth Proportional to 1,471,305.70, 2,206,958.55 and 761,551.30
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Solution
The fourth proportional to 1,471,305.70, 2,206,958.55 and 761,551.30 is: 1,142,326.95
Step by Step Solution
- Step 1: Write the proportion equation
1,471,305.70 : 2,206,958.55 = 761,551.30 : x - Step 2: Convert to fraction form
1,471,305.70/2,206,958.55 = 761,551.30/x - Step 3: Cross multiply
1,471,305.70x = 2,206,958.55 × 761,551.30 - Step 4: Simplify right side
1,471,305.70x = 1,680,712,152,798.62 - Step 5: Solve for x
x = 1,680,712,152,798.62/1,471,305.70 - Step 6: Final answer
x = 1,142,326.95
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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.