Finding the Fourth Proportional to 1,417,844.12, 1,955,518.62 and 908,593.88
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Solution
The fourth proportional to 1,417,844.12, 1,955,518.62 and 908,593.88 is: 1,253,150.63
Step by Step Solution
- Step 1: Write the proportion equation
1,417,844.12 : 1,955,518.62 = 908,593.88 : x - Step 2: Convert to fraction form
1,417,844.12/1,955,518.62 = 908,593.88/x - Step 3: Cross multiply
1,417,844.12x = 1,955,518.62 × 908,593.88 - Step 4: Simplify right side
1,417,844.12x = 1,776,772,250,358.05 - Step 5: Solve for x
x = 1,776,772,250,358.05/1,417,844.12 - Step 6: Final answer
x = 1,253,150.63
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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.