Finding the Fourth Proportional to 1,484,133.66, 2,048,105.12 and 839,540.12
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Solution
The fourth proportional to 1,484,133.66, 2,048,105.12 and 839,540.12 is: 1,158,565.73
Step by Step Solution
- Step 1: Write the proportion equation
1,484,133.66 : 2,048,105.12 = 839,540.12 : x - Step 2: Convert to fraction form
1,484,133.66/2,048,105.12 = 839,540.12/x - Step 3: Cross multiply
1,484,133.66x = 2,048,105.12 × 839,540.12 - Step 4: Simplify right side
1,484,133.66x = 1,719,466,403,779.19 - Step 5: Solve for x
x = 1,719,466,403,779.19/1,484,133.66 - Step 6: Final answer
x = 1,158,565.73
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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.