Finding the Fourth Proportional to 2,149,276.10, 2,966,424.95 and 1,232,121.08
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Solution
The fourth proportional to 2,149,276.10, 2,966,424.95 and 1,232,121.08 is: 1,700,570.11
Step by Step Solution
- Step 1: Write the proportion equation
2,149,276.10 : 2,966,424.95 = 1,232,121.08 : x - Step 2: Convert to fraction form
2,149,276.10/2,966,424.95 = 1,232,121.08/x - Step 3: Cross multiply
2,149,276.10x = 2,966,424.95 × 1,232,121.08 - Step 4: Simplify right side
2,149,276.10x = 3,654,994,692,140.22 - Step 5: Solve for x
x = 3,654,994,692,140.22/2,149,276.10 - Step 6: Final answer
x = 1,700,570.11
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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.