Finding the Fourth Proportional to 5,779,814.62, 7,976,406.76 and 3,201,495.10
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Solution
The fourth proportional to 5,779,814.62, 7,976,406.76 and 3,201,495.10 is: 4,418,208.69
Step by Step Solution
- Step 1: Write the proportion equation
5,779,814.62 : 7,976,406.76 = 3,201,495.10 : x - Step 2: Convert to fraction form
5,779,814.62/7,976,406.76 = 3,201,495.10/x - Step 3: Cross multiply
5,779,814.62x = 7,976,406.76 × 3,201,495.10 - Step 4: Simplify right side
5,779,814.62x = 25,536,427,157,746.88 - Step 5: Solve for x
x = 25,536,427,157,746.88/5,779,814.62 - Step 6: Final answer
x = 4,418,208.69
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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.