Finding the Fourth Proportional to 1,679,904.40, 2,318,329.80 and 954,874.08
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Solution
The fourth proportional to 1,679,904.40, 2,318,329.80 and 954,874.08 is: 1,317,761.32
Step by Step Solution
- Step 1: Write the proportion equation
1,679,904.40 : 2,318,329.80 = 954,874.08 : x - Step 2: Convert to fraction form
1,679,904.40/2,318,329.80 = 954,874.08/x - Step 3: Cross multiply
1,679,904.40x = 2,318,329.80 × 954,874.08 - Step 4: Simplify right side
1,679,904.40x = 2,213,713,034,911.58 - Step 5: Solve for x
x = 2,213,713,034,911.58/1,679,904.40 - Step 6: Final answer
x = 1,317,761.32
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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.