Finding the Fourth Proportional to 1,677,413.12, 2,516,202.32 and 479,510.60
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Solution
The fourth proportional to 1,677,413.12, 2,516,202.32 and 479,510.60 is: 719,289.52
Step by Step Solution
- Step 1: Write the proportion equation
1,677,413.12 : 2,516,202.32 = 479,510.60 : x - Step 2: Convert to fraction form
1,677,413.12/2,516,202.32 = 479,510.60/x - Step 3: Cross multiply
1,677,413.12x = 2,516,202.32 × 479,510.60 - Step 4: Simplify right side
1,677,413.12x = 1,206,545,684,184.59 - Step 5: Solve for x
x = 1,206,545,684,184.59/1,677,413.12 - Step 6: Final answer
x = 719,289.52
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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.