Finding the Fourth Proportional to 4,490,394.01, 6,739,849.36 and 2,779,361.59
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Solution
The fourth proportional to 4,490,394.01, 6,739,849.36 and 2,779,361.59 is: 4,171,678.11
Step by Step Solution
- Step 1: Write the proportion equation
4,490,394.01 : 6,739,849.36 = 2,779,361.59 : x - Step 2: Convert to fraction form
4,490,394.01/6,739,849.36 = 2,779,361.59/x - Step 3: Cross multiply
4,490,394.01x = 6,739,849.36 × 2,779,361.59 - Step 4: Simplify right side
4,490,394.01x = 18,732,478,402,823.65 - Step 5: Solve for x
x = 18,732,478,402,823.65/4,490,394.01 - Step 6: Final answer
x = 4,171,678.11
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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.