Finding the Fourth Proportional to 4,779,616.36, 7,169,418 and 2,219,431.32
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Solution
The fourth proportional to 4,779,616.36, 7,169,418 and 2,219,431.32 is: 3,329,143.94
Step by Step Solution
- Step 1: Write the proportion equation
4,779,616.36 : 7,169,418 = 2,219,431.32 : x - Step 2: Convert to fraction form
4,779,616.36/7,169,418 = 2,219,431.32/x - Step 3: Cross multiply
4,779,616.36x = 7,169,418 × 2,219,431.32 - Step 4: Simplify right side
4,779,616.36x = 15,912,030,855,371.76 - Step 5: Solve for x
x = 15,912,030,855,371.76/4,779,616.36 - Step 6: Final answer
x = 3,329,143.94
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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.