Finding the Fourth Proportional to 1,609,071.12, 2,220,532.24 and 883,933.60
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Solution
The fourth proportional to 1,609,071.12, 2,220,532.24 and 883,933.60 is: 1,219,836.11
Step by Step Solution
- Step 1: Write the proportion equation
1,609,071.12 : 2,220,532.24 = 883,933.60 : x - Step 2: Convert to fraction form
1,609,071.12/2,220,532.24 = 883,933.60/x - Step 3: Cross multiply
1,609,071.12x = 2,220,532.24 × 883,933.60 - Step 4: Simplify right side
1,609,071.12x = 1,962,803,056,819.26 - Step 5: Solve for x
x = 1,962,803,056,819.26/1,609,071.12 - Step 6: Final answer
x = 1,219,836.11
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.