Finding the Fourth Proportional to 6,618,708.60, 9,134,208.04 and 4,984,232.28
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Solution
The fourth proportional to 6,618,708.60, 9,134,208.04 and 4,984,232.28 is: 6,878,534.37
Step by Step Solution
- Step 1: Write the proportion equation
6,618,708.60 : 9,134,208.04 = 4,984,232.28 : x - Step 2: Convert to fraction form
6,618,708.60/9,134,208.04 = 4,984,232.28/x - Step 3: Cross multiply
6,618,708.60x = 9,134,208.04 × 4,984,232.28 - Step 4: Simplify right side
6,618,708.60x = 45,527,014,565,203.53 - Step 5: Solve for x
x = 45,527,014,565,203.53/6,618,708.60 - Step 6: Final answer
x = 6,878,534.37
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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.