Finding the Fourth Proportional to 2,291,219.67, 3,161,900.84 and 1,432,285.95
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Solution
The fourth proportional to 2,291,219.67, 3,161,900.84 and 1,432,285.95 is: 1,976,565.67
Step by Step Solution
- Step 1: Write the proportion equation
2,291,219.67 : 3,161,900.84 = 1,432,285.95 : x - Step 2: Convert to fraction form
2,291,219.67/3,161,900.84 = 1,432,285.95/x - Step 3: Cross multiply
2,291,219.67x = 3,161,900.84 × 1,432,285.95 - Step 4: Simplify right side
2,291,219.67x = 4,528,746,141,263.77 - Step 5: Solve for x
x = 4,528,746,141,263.77/2,291,219.67 - Step 6: Final answer
x = 1,976,565.67
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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.