Finding the Fourth Proportional to 5,329,325.23, 7,993,913.58 and 1,285,779.13
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Solution
The fourth proportional to 5,329,325.23, 7,993,913.58 and 1,285,779.13 is: 1,928,650.78
Step by Step Solution
- Step 1: Write the proportion equation
5,329,325.23 : 7,993,913.58 = 1,285,779.13 : x - Step 2: Convert to fraction form
5,329,325.23/7,993,913.58 = 1,285,779.13/x - Step 3: Cross multiply
5,329,325.23x = 7,993,913.58 × 1,285,779.13 - Step 4: Simplify right side
5,329,325.23x = 10,278,407,248,187.58 - Step 5: Solve for x
x = 10,278,407,248,187.58/5,329,325.23 - Step 6: Final answer
x = 1,928,650.78
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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.