Finding the Fourth Proportional to 4,490,422.04, 6,739,891.44 and 2,779,389.62
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Solution
The fourth proportional to 4,490,422.04, 6,739,891.44 and 2,779,389.62 is: 4,171,720.19
Step by Step Solution
- Step 1: Write the proportion equation
4,490,422.04 : 6,739,891.44 = 2,779,389.62 : x - Step 2: Convert to fraction form
4,490,422.04/6,739,891.44 = 2,779,389.62/x - Step 3: Cross multiply
4,490,422.04x = 6,739,891.44 × 2,779,389.62 - Step 4: Simplify right side
4,490,422.04x = 18,732,784,308,262.86 - Step 5: Solve for x
x = 18,732,784,308,262.86/4,490,422.04 - Step 6: Final answer
x = 4,171,720.19
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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.