Finding the Fourth Proportional to 4,065,403.78, 6,087,452.55 and 2,860,804.18
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Solution
The fourth proportional to 4,065,403.78, 6,087,452.55 and 2,860,804.18 is: 4,283,709.72
Step by Step Solution
- Step 1: Write the proportion equation
4,065,403.78 : 6,087,452.55 = 2,860,804.18 : x - Step 2: Convert to fraction form
4,065,403.78/6,087,452.55 = 2,860,804.18/x - Step 3: Cross multiply
4,065,403.78x = 6,087,452.55 × 2,860,804.18 - Step 4: Simplify right side
4,065,403.78x = 17,415,009,700,591.66 - Step 5: Solve for x
x = 17,415,009,700,591.66/4,065,403.78 - Step 6: Final answer
x = 4,283,709.72
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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.