Finding the Fourth Proportional to 1,368,487.17, 1,888,464.65 and 748,306.80
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Solution
The fourth proportional to 1,368,487.17, 1,888,464.65 and 748,306.80 is: 1,032,637.33
Step by Step Solution
- Step 1: Write the proportion equation
1,368,487.17 : 1,888,464.65 = 748,306.80 : x - Step 2: Convert to fraction form
1,368,487.17/1,888,464.65 = 748,306.80/x - Step 3: Cross multiply
1,368,487.17x = 1,888,464.65 × 748,306.80 - Step 4: Simplify right side
1,368,487.17x = 1,413,150,935,413.09 - Step 5: Solve for x
x = 1,413,150,935,413.09/1,368,487.17 - Step 6: Final answer
x = 1,032,637.33
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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.