Finding the Fourth Proportional to 4,550,865.20, 6,280,215.36 and 2,485,909.37
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Solution
The fourth proportional to 4,550,865.20, 6,280,215.36 and 2,485,909.37 is: 3,430,566.61
Step by Step Solution
- Step 1: Write the proportion equation
4,550,865.20 : 6,280,215.36 = 2,485,909.37 : x - Step 2: Convert to fraction form
4,550,865.20/6,280,215.36 = 2,485,909.37/x - Step 3: Cross multiply
4,550,865.20x = 6,280,215.36 × 2,485,909.37 - Step 4: Simplify right side
4,550,865.20x = 15,612,046,209,041.92 - Step 5: Solve for x
x = 15,612,046,209,041.92/4,550,865.20 - Step 6: Final answer
x = 3,430,566.61
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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.