Finding the Fourth Proportional to 1,556,530.76, 2,147,919.93 and 903,106.18
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Solution
The fourth proportional to 1,556,530.76, 2,147,919.93 and 903,106.18 is: 1,246,232.84
Step by Step Solution
- Step 1: Write the proportion equation
1,556,530.76 : 2,147,919.93 = 903,106.18 : x - Step 2: Convert to fraction form
1,556,530.76/2,147,919.93 = 903,106.18/x - Step 3: Cross multiply
1,556,530.76x = 2,147,919.93 × 903,106.18 - Step 4: Simplify right side
1,556,530.76x = 1,939,799,753,531.02 - Step 5: Solve for x
x = 1,939,799,753,531.02/1,556,530.76 - Step 6: Final answer
x = 1,246,232.84
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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.