Finding the Fourth Proportional to 4,645,066.23, 6,410,693.88 and 2,810,536.20
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Solution
The fourth proportional to 4,645,066.23, 6,410,693.88 and 2,810,536.20 is: 3,878,843.99
Step by Step Solution
- Step 1: Write the proportion equation
4,645,066.23 : 6,410,693.88 = 2,810,536.20 : x - Step 2: Convert to fraction form
4,645,066.23/6,410,693.88 = 2,810,536.20/x - Step 3: Cross multiply
4,645,066.23x = 6,410,693.88 × 2,810,536.20 - Step 4: Simplify right side
4,645,066.23x = 18,017,487,216,858.46 - Step 5: Solve for x
x = 18,017,487,216,858.46/4,645,066.23 - Step 6: Final answer
x = 3,878,843.99
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1.5x scale
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.