Finding the Fourth Proportional to 4,989,464.93, 6,885,455.77 and 2,697,620.15
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Solution
The fourth proportional to 4,989,464.93, 6,885,455.77 and 2,697,620.15 is: 3,722,712.65
Step by Step Solution
- Step 1: Write the proportion equation
4,989,464.93 : 6,885,455.77 = 2,697,620.15 : x - Step 2: Convert to fraction form
4,989,464.93/6,885,455.77 = 2,697,620.15/x - Step 3: Cross multiply
4,989,464.93x = 6,885,455.77 × 2,697,620.15 - Step 4: Simplify right side
4,989,464.93x = 18,574,344,227,085.76 - Step 5: Solve for x
x = 18,574,344,227,085.76/4,989,464.93 - Step 6: Final answer
x = 3,722,712.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.