Finding the Fourth Proportional to 2,912,367.09, 4,370,518.95 and 1,019,124.93
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Solution
The fourth proportional to 2,912,367.09, 4,370,518.95 and 1,019,124.93 is: 1,529,376.17
Step by Step Solution
- Step 1: Write the proportion equation
2,912,367.09 : 4,370,518.95 = 1,019,124.93 : x - Step 2: Convert to fraction form
2,912,367.09/4,370,518.95 = 1,019,124.93/x - Step 3: Cross multiply
2,912,367.09x = 4,370,518.95 × 1,019,124.93 - Step 4: Simplify right side
2,912,367.09x = 4,454,104,818,982.42 - Step 5: Solve for x
x = 4,454,104,818,982.42/2,912,367.09 - Step 6: Final answer
x = 1,529,376.17
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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.