Finding the Fourth Proportional to 4,984,018.68, 6,879,466.35 and 2,891,389.77
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Solution
The fourth proportional to 4,984,018.68, 6,879,466.35 and 2,891,389.77 is: 3,991,000.02
Step by Step Solution
- Step 1: Write the proportion equation
4,984,018.68 : 6,879,466.35 = 2,891,389.77 : x - Step 2: Convert to fraction form
4,984,018.68/6,879,466.35 = 2,891,389.77/x - Step 3: Cross multiply
4,984,018.68x = 6,879,466.35 × 2,891,389.77 - Step 4: Simplify right side
4,984,018.68x = 19,891,218,627,449.24 - Step 5: Solve for x
x = 19,891,218,627,449.24/4,984,018.68 - Step 6: Final answer
x = 3,991,000.02
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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.