Finding the Fourth Proportional to 1,613,404.49, 2,226,413.63 and 888,110.54
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Solution
The fourth proportional to 1,613,404.49, 2,226,413.63 and 888,110.54 is: 1,225,545.99
Step by Step Solution
- Step 1: Write the proportion equation
1,613,404.49 : 2,226,413.63 = 888,110.54 : x - Step 2: Convert to fraction form
1,613,404.49/2,226,413.63 = 888,110.54/x - Step 3: Cross multiply
1,613,404.49x = 2,226,413.63 × 888,110.54 - Step 4: Simplify right side
1,613,404.49x = 1,977,301,395,630.04 - Step 5: Solve for x
x = 1,977,301,395,630.04/1,613,404.49 - Step 6: Final answer
x = 1,225,545.99
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1.5x scale
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.