Finding the Fourth Proportional to 1,590,800.62, 2,386,205.90 and 392,723.08
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Solution
The fourth proportional to 1,590,800.62, 2,386,205.90 and 392,723.08 is: 589,085.85
Step by Step Solution
- Step 1: Write the proportion equation
1,590,800.62 : 2,386,205.90 = 392,723.08 : x - Step 2: Convert to fraction form
1,590,800.62/2,386,205.90 = 392,723.08/x - Step 3: Cross multiply
1,590,800.62x = 2,386,205.90 × 392,723.08 - Step 4: Simplify right side
1,590,800.62x = 937,118,130,562.17 - Step 5: Solve for x
x = 937,118,130,562.17/1,590,800.62 - Step 6: Final answer
x = 589,085.85
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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.