Finding the Fourth Proportional to 1,888,868.70, 2,606,562.81 and 1,029,410.46
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Solution
The fourth proportional to 1,888,868.70, 2,606,562.81 and 1,029,410.46 is: 1,420,545.02
Step by Step Solution
- Step 1: Write the proportion equation
1,888,868.70 : 2,606,562.81 = 1,029,410.46 : x - Step 2: Convert to fraction form
1,888,868.70/2,606,562.81 = 1,029,410.46/x - Step 3: Cross multiply
1,888,868.70x = 2,606,562.81 × 1,029,410.46 - Step 4: Simplify right side
1,888,868.70x = 2,683,223,021,260.99 - Step 5: Solve for x
x = 2,683,223,021,260.99/1,888,868.70 - Step 6: Final answer
x = 1,420,545.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.