Finding the Fourth Proportional to 4,788,456.67, 6,608,210.43 and 2,613,140.02
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Solution
The fourth proportional to 4,788,456.67, 6,608,210.43 and 2,613,140.02 is: 3,606,209.75
Step by Step Solution
- Step 1: Write the proportion equation
4,788,456.67 : 6,608,210.43 = 2,613,140.02 : x - Step 2: Convert to fraction form
4,788,456.67/6,608,210.43 = 2,613,140.02/x - Step 3: Cross multiply
4,788,456.67x = 6,608,210.43 × 2,613,140.02 - Step 4: Simplify right side
4,788,456.67x = 17,268,179,135,214.41 - Step 5: Solve for x
x = 17,268,179,135,214.41/4,788,456.67 - Step 6: Final answer
x = 3,606,209.75
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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.