Finding the Fourth Proportional to 2,238,942.30, 3,358,413.45 and 556,045.80
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Solution
The fourth proportional to 2,238,942.30, 3,358,413.45 and 556,045.80 is: 834,068.70
Step by Step Solution
- Step 1: Write the proportion equation
2,238,942.30 : 3,358,413.45 = 556,045.80 : x - Step 2: Convert to fraction form
2,238,942.30/3,358,413.45 = 556,045.80/x - Step 3: Cross multiply
2,238,942.30x = 3,358,413.45 × 556,045.80 - Step 4: Simplify right side
2,238,942.30x = 1,867,431,693,536.01 - Step 5: Solve for x
x = 1,867,431,693,536.01/2,238,942.30 - Step 6: Final answer
x = 834,068.70
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1.5x scale
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.