Finding the Fourth Proportional to 1,604,318.55, 2,406,454.56 and 389,904.18
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Solution
The fourth proportional to 1,604,318.55, 2,406,454.56 and 389,904.18 is: 584,850.62
Step by Step Solution
- Step 1: Write the proportion equation
1,604,318.55 : 2,406,454.56 = 389,904.18 : x - Step 2: Convert to fraction form
1,604,318.55/2,406,454.56 = 389,904.18/x - Step 3: Cross multiply
1,604,318.55x = 2,406,454.56 × 389,904.18 - Step 4: Simplify right side
1,604,318.55x = 938,286,691,924.06 - Step 5: Solve for x
x = 938,286,691,924.06/1,604,318.55 - Step 6: Final answer
x = 584,850.62
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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.