Finding the Fourth Proportional to 5,413,565.72, 8,120,722.26 and 1,575,419.96
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Solution
The fourth proportional to 5,413,565.72, 8,120,722.26 and 1,575,419.96 is: 2,363,238.69
Step by Step Solution
- Step 1: Write the proportion equation
5,413,565.72 : 8,120,722.26 = 1,575,419.96 : x - Step 2: Convert to fraction form
5,413,565.72/8,120,722.26 = 1,575,419.96/x - Step 3: Cross multiply
5,413,565.72x = 8,120,722.26 × 1,575,419.96 - Step 4: Simplify right side
5,413,565.72x = 12,793,547,938,020.31 - Step 5: Solve for x
x = 12,793,547,938,020.31/5,413,565.72 - Step 6: Final answer
x = 2,363,238.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.