Finding the Fourth Proportional to 1,775,507.70, 2,661,949.35 and 977,690.10
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Solution
The fourth proportional to 1,775,507.70, 2,661,949.35 and 977,690.10 is: 1,465,812.58
Step by Step Solution
- Step 1: Write the proportion equation
1,775,507.70 : 2,661,949.35 = 977,690.10 : x - Step 2: Convert to fraction form
1,775,507.70/2,661,949.35 = 977,690.10/x - Step 3: Cross multiply
1,775,507.70x = 2,661,949.35 × 977,690.10 - Step 4: Simplify right side
1,775,507.70x = 2,602,561,526,196.44 - Step 5: Solve for x
x = 2,602,561,526,196.44/1,775,507.70 - Step 6: Final answer
x = 1,465,812.58
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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.