Finding the Fourth Proportional to 2,949,848.20, 4,070,616.42 and 1,660,637.08
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Solution
The fourth proportional to 2,949,848.20, 4,070,616.42 and 1,660,637.08 is: 2,291,581.16
Step by Step Solution
- Step 1: Write the proportion equation
2,949,848.20 : 4,070,616.42 = 1,660,637.08 : x - Step 2: Convert to fraction form
2,949,848.20/4,070,616.42 = 1,660,637.08/x - Step 3: Cross multiply
2,949,848.20x = 4,070,616.42 × 1,660,637.08 - Step 4: Simplify right side
2,949,848.20x = 6,759,816,565,508.85 - Step 5: Solve for x
x = 6,759,816,565,508.85/2,949,848.20 - Step 6: Final answer
x = 2,291,581.16
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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.