Finding the Fourth Proportional to 2,912,368.09, 4,370,520.45 and 1,019,125.93
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Solution
The fourth proportional to 2,912,368.09, 4,370,520.45 and 1,019,125.93 is: 1,529,377.67
Step by Step Solution
- Step 1: Write the proportion equation
2,912,368.09 : 4,370,520.45 = 1,019,125.93 : x - Step 2: Convert to fraction form
2,912,368.09/4,370,520.45 = 1,019,125.93/x - Step 3: Cross multiply
2,912,368.09x = 4,370,520.45 × 1,019,125.93 - Step 4: Simplify right side
2,912,368.09x = 4,454,110,718,190.27 - Step 5: Solve for x
x = 4,454,110,718,190.27/2,912,368.09 - Step 6: Final answer
x = 1,529,377.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.