Finding the Fourth Proportional to 1,778,916.54, 2,454,901.26 and 963,120.08
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Solution
The fourth proportional to 1,778,916.54, 2,454,901.26 and 963,120.08 is: 1,329,103.78
Step by Step Solution
- Step 1: Write the proportion equation
1,778,916.54 : 2,454,901.26 = 963,120.08 : x - Step 2: Convert to fraction form
1,778,916.54/2,454,901.26 = 963,120.08/x - Step 3: Cross multiply
1,778,916.54x = 2,454,901.26 × 963,120.08 - Step 4: Simplify right side
1,778,916.54x = 2,364,364,697,923.30 - Step 5: Solve for x
x = 2,364,364,697,923.30/1,778,916.54 - Step 6: Final answer
x = 1,329,103.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.