Finding the Fourth Proportional to 1,369,916.69, 2,046,474.90 and 987,574.41
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Solution
The fourth proportional to 1,369,916.69, 2,046,474.90 and 987,574.41 is: 1,475,305.95
Step by Step Solution
- Step 1: Write the proportion equation
1,369,916.69 : 2,046,474.90 = 987,574.41 : x - Step 2: Convert to fraction form
1,369,916.69/2,046,474.90 = 987,574.41/x - Step 3: Cross multiply
1,369,916.69x = 2,046,474.90 × 987,574.41 - Step 4: Simplify right side
1,369,916.69x = 2,021,046,241,947.31 - Step 5: Solve for x
x = 2,021,046,241,947.31/1,369,916.69 - Step 6: Final answer
x = 1,475,305.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.