Finding the Fourth Proportional to 2,248,832.75, 3,103,413.68 and 1,230,215.63
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Solution
The fourth proportional to 2,248,832.75, 3,103,413.68 and 1,230,215.63 is: 1,697,710.96
Step by Step Solution
- Step 1: Write the proportion equation
2,248,832.75 : 3,103,413.68 = 1,230,215.63 : x - Step 2: Convert to fraction form
2,248,832.75/3,103,413.68 = 1,230,215.63/x - Step 3: Cross multiply
2,248,832.75x = 3,103,413.68 × 1,230,215.63 - Step 4: Simplify right side
2,248,832.75x = 3,817,868,003,050.29 - Step 5: Solve for x
x = 3,817,868,003,050.29/2,248,832.75 - Step 6: Final answer
x = 1,697,710.96
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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.