Finding the Fourth Proportional to 3,400,709.98, 4,692,767.10 and 1,872,817.12
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Solution
The fourth proportional to 3,400,709.98, 4,692,767.10 and 1,872,817.12 is: 2,584,370.50
Step by Step Solution
- Step 1: Write the proportion equation
3,400,709.98 : 4,692,767.10 = 1,872,817.12 : x - Step 2: Convert to fraction form
3,400,709.98/4,692,767.10 = 1,872,817.12/x - Step 3: Cross multiply
3,400,709.98x = 4,692,767.10 × 1,872,817.12 - Step 4: Simplify right side
3,400,709.98x = 8,788,694,565,052.75 - Step 5: Solve for x
x = 8,788,694,565,052.75/3,400,709.98 - Step 6: Final answer
x = 2,584,370.50
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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.