Finding the Fourth Proportional to 1,609,117.68, 2,220,335.80 and 929,923.12
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Solution
The fourth proportional to 1,609,117.68, 2,220,335.80 and 929,923.12 is: 1,283,151.39
Step by Step Solution
- Step 1: Write the proportion equation
1,609,117.68 : 2,220,335.80 = 929,923.12 : x - Step 2: Convert to fraction form
1,609,117.68/2,220,335.80 = 929,923.12/x - Step 3: Cross multiply
1,609,117.68x = 2,220,335.80 × 929,923.12 - Step 4: Simplify right side
1,609,117.68x = 2,064,741,594,583.70 - Step 5: Solve for x
x = 2,064,741,594,583.70/1,609,117.68 - Step 6: Final answer
x = 1,283,151.39
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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.