Finding the Fourth Proportional to 1,347,423.92, 2,020,124.88 and 814,835.84
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Solution
The fourth proportional to 1,347,423.92, 2,020,124.88 and 814,835.84 is: 1,221,642.37
Step by Step Solution
- Step 1: Write the proportion equation
1,347,423.92 : 2,020,124.88 = 814,835.84 : x - Step 2: Convert to fraction form
1,347,423.92/2,020,124.88 = 814,835.84/x - Step 3: Cross multiply
1,347,423.92x = 2,020,124.88 × 814,835.84 - Step 4: Simplify right side
1,347,423.92x = 1,646,070,153,499.70 - Step 5: Solve for x
x = 1,646,070,153,499.70/1,347,423.92 - Step 6: Final answer
x = 1,221,642.37
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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.