Finding the Fourth Proportional to 3,454,169.99, 5,178,696.17 and 1,655,340.62
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Solution
The fourth proportional to 3,454,169.99, 5,178,696.17 and 1,655,340.62 is: 2,481,784.66
Step by Step Solution
- Step 1: Write the proportion equation
3,454,169.99 : 5,178,696.17 = 1,655,340.62 : x - Step 2: Convert to fraction form
3,454,169.99/5,178,696.17 = 1,655,340.62/x - Step 3: Cross multiply
3,454,169.99x = 5,178,696.17 × 1,655,340.62 - Step 4: Simplify right side
3,454,169.99x = 8,572,506,094,669.24 - Step 5: Solve for x
x = 8,572,506,094,669.24/3,454,169.99 - Step 6: Final answer
x = 2,481,784.66
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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.