Finding the Fourth Proportional to 2,406,720.60, 3,608,878.96 and 787,278.09
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Solution
The fourth proportional to 2,406,720.60, 3,608,878.96 and 787,278.09 is: 1,180,523.96
Step by Step Solution
- Step 1: Write the proportion equation
2,406,720.60 : 3,608,878.96 = 787,278.09 : x - Step 2: Convert to fraction form
2,406,720.60/3,608,878.96 = 787,278.09/x - Step 3: Cross multiply
2,406,720.60x = 3,608,878.96 × 787,278.09 - Step 4: Simplify right side
2,406,720.60x = 2,841,191,334,669.99 - Step 5: Solve for x
x = 2,841,191,334,669.99/2,406,720.60 - Step 6: Final answer
x = 1,180,523.96
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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.