Finding the Fourth Proportional to 2,380,764.96, 3,285,479.34 and 1,293,057.77
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Solution
The fourth proportional to 2,380,764.96, 3,285,479.34 and 1,293,057.77 is: 1,784,432.59
Step by Step Solution
- Step 1: Write the proportion equation
2,380,764.96 : 3,285,479.34 = 1,293,057.77 : x - Step 2: Convert to fraction form
2,380,764.96/3,285,479.34 = 1,293,057.77/x - Step 3: Cross multiply
2,380,764.96x = 3,285,479.34 × 1,293,057.77 - Step 4: Simplify right side
2,380,764.96x = 4,248,314,572,334.08 - Step 5: Solve for x
x = 4,248,314,572,334.08/2,380,764.96 - Step 6: Final answer
x = 1,784,432.59
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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.