Finding the Fourth Proportional to 1,887,413.76, 2,604,617.64 and 1,027,971.36
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Solution
The fourth proportional to 1,887,413.76, 2,604,617.64 and 1,027,971.36 is: 1,418,593.21
Step by Step Solution
- Step 1: Write the proportion equation
1,887,413.76 : 2,604,617.64 = 1,027,971.36 : x - Step 2: Convert to fraction form
1,887,413.76/2,604,617.64 = 1,027,971.36/x - Step 3: Cross multiply
1,887,413.76x = 2,604,617.64 × 1,027,971.36 - Step 4: Simplify right side
1,887,413.76x = 2,677,472,337,670.79 - Step 5: Solve for x
x = 2,677,472,337,670.79/1,887,413.76 - Step 6: Final answer
x = 1,418,593.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.