Finding the Fourth Proportional to 2,639,965.08, 3,643,150.86 and 1,432,741.08
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Solution
The fourth proportional to 2,639,965.08, 3,643,150.86 and 1,432,741.08 is: 1,977,182.17
Step by Step Solution
- Step 1: Write the proportion equation
2,639,965.08 : 3,643,150.86 = 1,432,741.08 : x - Step 2: Convert to fraction form
2,639,965.08/3,643,150.86 = 1,432,741.08/x - Step 3: Cross multiply
2,639,965.08x = 3,643,150.86 × 1,432,741.08 - Step 4: Simplify right side
2,639,965.08x = 5,219,691,897,759.33 - Step 5: Solve for x
x = 5,219,691,897,759.33/2,639,965.08 - Step 6: Final answer
x = 1,977,182.17
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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.