Finding the Fourth Proportional to 2,195,088.84, 3,292,989.66 and 678,417.84
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Solution
The fourth proportional to 2,195,088.84, 3,292,989.66 and 678,417.84 is: 1,017,736.91
Step by Step Solution
- Step 1: Write the proportion equation
2,195,088.84 : 3,292,989.66 = 678,417.84 : x - Step 2: Convert to fraction form
2,195,088.84/3,292,989.66 = 678,417.84/x - Step 3: Cross multiply
2,195,088.84x = 3,292,989.66 × 678,417.84 - Step 4: Simplify right side
2,195,088.84x = 2,234,022,932,279.53 - Step 5: Solve for x
x = 2,234,022,932,279.53/2,195,088.84 - Step 6: Final answer
x = 1,017,736.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.