Finding the Fourth Proportional to 2,949,853.79, 4,070,874.35 and 1,660,740.32
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Solution
The fourth proportional to 2,949,853.79, 4,070,874.35 and 1,660,740.32 is: 2,291,864.50
Step by Step Solution
- Step 1: Write the proportion equation
2,949,853.79 : 4,070,874.35 = 1,660,740.32 : x - Step 2: Convert to fraction form
2,949,853.79/4,070,874.35 = 1,660,740.32/x - Step 3: Cross multiply
2,949,853.79x = 4,070,874.35 × 1,660,740.32 - Step 4: Simplify right side
2,949,853.79x = 6,760,665,185,027.83 - Step 5: Solve for x
x = 6,760,665,185,027.83/2,949,853.79 - Step 6: Final answer
x = 2,291,864.50
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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.