Finding the Fourth Proportional to 3,890,106.03, 5,367,851.19 and 2,171,298.99
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Solution
The fourth proportional to 3,890,106.03, 5,367,851.19 and 2,171,298.99 is: 2,996,116.24
Step by Step Solution
- Step 1: Write the proportion equation
3,890,106.03 : 5,367,851.19 = 2,171,298.99 : x - Step 2: Convert to fraction form
3,890,106.03/5,367,851.19 = 2,171,298.99/x - Step 3: Cross multiply
3,890,106.03x = 5,367,851.19 × 2,171,298.99 - Step 4: Simplify right side
3,890,106.03x = 11,655,209,867,317.30 - Step 5: Solve for x
x = 11,655,209,867,317.30/3,890,106.03 - Step 6: Final answer
x = 2,996,116.24
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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.