Finding the Fourth Proportional to 2,120,477.87, 2,926,272.18 and 1,153,615.08
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Solution
The fourth proportional to 2,120,477.87, 2,926,272.18 and 1,153,615.08 is: 1,591,995.73
Step by Step Solution
- Step 1: Write the proportion equation
2,120,477.87 : 2,926,272.18 = 1,153,615.08 : x - Step 2: Convert to fraction form
2,120,477.87/2,926,272.18 = 1,153,615.08/x - Step 3: Cross multiply
2,120,477.87x = 2,926,272.18 × 1,153,615.08 - Step 4: Simplify right side
2,120,477.87x = 3,375,791,715,032.47 - Step 5: Solve for x
x = 3,375,791,715,032.47/2,120,477.87 - Step 6: Final answer
x = 1,591,995.73
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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.