Finding the Fourth Proportional to 1,931,847.05, 2,896,589.04 and 921,278.09
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Solution
The fourth proportional to 1,931,847.05, 2,896,589.04 and 921,278.09 is: 1,381,353.67
Step by Step Solution
- Step 1: Write the proportion equation
1,931,847.05 : 2,896,589.04 = 921,278.09 : x - Step 2: Convert to fraction form
1,931,847.05/2,896,589.04 = 921,278.09/x - Step 3: Cross multiply
1,931,847.05x = 2,896,589.04 × 921,278.09 - Step 4: Simplify right side
1,931,847.05x = 2,668,564,003,803.19 - Step 5: Solve for x
x = 2,668,564,003,803.19/1,931,847.05 - Step 6: Final answer
x = 1,381,353.67
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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.