Finding the Fourth Proportional to 1,471,656.40, 2,202,235.80 and 1,020,259.60
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Solution
The fourth proportional to 1,471,656.40, 2,202,235.80 and 1,020,259.60 is: 1,526,750.55
Step by Step Solution
- Step 1: Write the proportion equation
1,471,656.40 : 2,202,235.80 = 1,020,259.60 : x - Step 2: Convert to fraction form
1,471,656.40/2,202,235.80 = 1,020,259.60/x - Step 3: Cross multiply
1,471,656.40x = 2,202,235.80 × 1,020,259.60 - Step 4: Simplify right side
1,471,656.40x = 2,246,852,216,413.68 - Step 5: Solve for x
x = 2,246,852,216,413.68/1,471,656.40 - Step 6: Final answer
x = 1,526,750.55
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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.