Finding the Fourth Proportional to 2,565,209.16, 3,539,129.09 and 1,477,458.96
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Solution
The fourth proportional to 2,565,209.16, 3,539,129.09 and 1,477,458.96 is: 2,038,398.29
Step by Step Solution
- Step 1: Write the proportion equation
2,565,209.16 : 3,539,129.09 = 1,477,458.96 : x - Step 2: Convert to fraction form
2,565,209.16/3,539,129.09 = 1,477,458.96/x - Step 3: Cross multiply
2,565,209.16x = 3,539,129.09 × 1,477,458.96 - Step 4: Simplify right side
2,565,209.16x = 5,228,917,977,229.85 - Step 5: Solve for x
x = 5,228,917,977,229.85/2,565,209.16 - Step 6: Final answer
x = 2,038,398.29
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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.