Finding the Fourth Proportional to 3,838,213.28, 5,759,312.48 and 1,565,405.12
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Solution
The fourth proportional to 3,838,213.28, 5,759,312.48 and 1,565,405.12 is: 2,348,920.34
Step by Step Solution
- Step 1: Write the proportion equation
3,838,213.28 : 5,759,312.48 = 1,565,405.12 : x - Step 2: Convert to fraction form
3,838,213.28/5,759,312.48 = 1,565,405.12/x - Step 3: Cross multiply
3,838,213.28x = 5,759,312.48 × 1,565,405.12 - Step 4: Simplify right side
3,838,213.28x = 9,015,657,268,284.93 - Step 5: Solve for x
x = 9,015,657,268,284.93/3,838,213.28 - Step 6: Final answer
x = 2,348,920.34
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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.