Finding the Fourth Proportional to 1,659,101.70, 2,488,652.55 and 1,490,812.05
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Solution
The fourth proportional to 1,659,101.70, 2,488,652.55 and 1,490,812.05 is: 2,236,218.08
Step by Step Solution
- Step 1: Write the proportion equation
1,659,101.70 : 2,488,652.55 = 1,490,812.05 : x - Step 2: Convert to fraction form
1,659,101.70/2,488,652.55 = 1,490,812.05/x - Step 3: Cross multiply
1,659,101.70x = 2,488,652.55 × 1,490,812.05 - Step 4: Simplify right side
1,659,101.70x = 3,710,113,209,803.23 - Step 5: Solve for x
x = 3,710,113,209,803.23/1,659,101.70 - Step 6: Final answer
x = 2,236,218.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.