Finding the Fourth Proportional to 4,817,790.90, 6,648,584.24 and 2,642,349.62
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Solution
The fourth proportional to 4,817,790.90, 6,648,584.24 and 2,642,349.62 is: 3,646,460.47
Step by Step Solution
- Step 1: Write the proportion equation
4,817,790.90 : 6,648,584.24 = 2,642,349.62 : x - Step 2: Convert to fraction form
4,817,790.90/6,648,584.24 = 2,642,349.62/x - Step 3: Cross multiply
4,817,790.90x = 6,648,584.24 × 2,642,349.62 - Step 4: Simplify right side
4,817,790.90x = 17,567,884,047,121.77 - Step 5: Solve for x
x = 17,567,884,047,121.77/4,817,790.90 - Step 6: Final answer
x = 3,646,460.47
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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.