Finding the Fourth Proportional to 6,427,376.80, 9,641,119.74 and 1,635,070.12
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Solution
The fourth proportional to 6,427,376.80, 9,641,119.74 and 1,635,070.12 is: 2,452,619.05
Step by Step Solution
- Step 1: Write the proportion equation
6,427,376.80 : 9,641,119.74 = 1,635,070.12 : x - Step 2: Convert to fraction form
6,427,376.80/9,641,119.74 = 1,635,070.12/x - Step 3: Cross multiply
6,427,376.80x = 9,641,119.74 × 1,635,070.12 - Step 4: Simplify right side
6,427,376.80x = 15,763,906,810,216.17 - Step 5: Solve for x
x = 15,763,906,810,216.17/6,427,376.80 - Step 6: Final answer
x = 2,452,619.05
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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.