Finding the Fourth Proportional to 2,102,109.67, 3,153,504.13 and 887,868.84
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Solution
The fourth proportional to 2,102,109.67, 3,153,504.13 and 887,868.84 is: 1,331,946.71
Step by Step Solution
- Step 1: Write the proportion equation
2,102,109.67 : 3,153,504.13 = 887,868.84 : x - Step 2: Convert to fraction form
2,102,109.67/3,153,504.13 = 887,868.84/x - Step 3: Cross multiply
2,102,109.67x = 3,153,504.13 × 887,868.84 - Step 4: Simplify right side
2,102,109.67x = 2,799,898,063,444.28 - Step 5: Solve for x
x = 2,799,898,063,444.28/2,102,109.67 - Step 6: Final answer
x = 1,331,946.71
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1.5x scale
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.