Finding the Fourth Proportional to 2,037,358.98, 2,810,942.26 and 1,221,264.90
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Solution
The fourth proportional to 2,037,358.98, 2,810,942.26 and 1,221,264.90 is: 1,684,978.03
Step by Step Solution
- Step 1: Write the proportion equation
2,037,358.98 : 2,810,942.26 = 1,221,264.90 : x - Step 2: Convert to fraction form
2,037,358.98/2,810,942.26 = 1,221,264.90/x - Step 3: Cross multiply
2,037,358.98x = 2,810,942.26 × 1,221,264.90 - Step 4: Simplify right side
2,037,358.98x = 3,432,905,115,011.51 - Step 5: Solve for x
x = 3,432,905,115,011.51/2,037,358.98 - Step 6: Final answer
x = 1,684,978.03
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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.