Finding the Fourth Proportional to 6,101,501.75, 8,417,986.88 and 3,486,129.28
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Solution
The fourth proportional to 6,101,501.75, 8,417,986.88 and 3,486,129.28 is: 4,809,666.82
Step by Step Solution
- Step 1: Write the proportion equation
6,101,501.75 : 8,417,986.88 = 3,486,129.28 : x - Step 2: Convert to fraction form
6,101,501.75/8,417,986.88 = 3,486,129.28/x - Step 3: Cross multiply
6,101,501.75x = 8,417,986.88 × 3,486,129.28 - Step 4: Simplify right side
6,101,501.75x = 29,346,190,486,764.50 - Step 5: Solve for x
x = 29,346,190,486,764.50/6,101,501.75 - Step 6: Final answer
x = 4,809,666.82
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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.