Finding the Fourth Proportional to 977,207.10, 1,465,810.65 and 977,207.10
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Solution
The fourth proportional to 977,207.10, 1,465,810.65 and 977,207.10 is: 1,465,810.65
Step by Step Solution
- Step 1: Write the proportion equation
977,207.10 : 1,465,810.65 = 977,207.10 : x - Step 2: Convert to fraction form
977,207.10/1,465,810.65 = 977,207.10/x - Step 3: Cross multiply
977,207.10x = 1,465,810.65 × 977,207.10 - Step 4: Simplify right side
977,207.10x = 1,432,400,574,435.62 - Step 5: Solve for x
x = 1,432,400,574,435.62/977,207.10 - Step 6: Final answer
x = 1,465,810.65
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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.