Finding the Fourth Proportional to 2,912,356.09, 4,370,502.44 and 1,019,113.93
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Solution
The fourth proportional to 2,912,356.09, 4,370,502.44 and 1,019,113.93 is: 1,529,359.66
Step by Step Solution
- Step 1: Write the proportion equation
2,912,356.09 : 4,370,502.44 = 1,019,113.93 : x - Step 2: Convert to fraction form
2,912,356.09/4,370,502.44 = 1,019,113.93/x - Step 3: Cross multiply
2,912,356.09x = 4,370,502.44 × 1,019,113.93 - Step 4: Simplify right side
2,912,356.09x = 4,454,039,917,702.99 - Step 5: Solve for x
x = 4,454,039,917,702.99/2,912,356.09 - Step 6: Final answer
x = 1,529,359.66
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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.