Finding the Fourth Proportional to 6,267,758.49, 8,646,829.86 and 4,330,656.06
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Solution
The fourth proportional to 6,267,758.49, 8,646,829.86 and 4,330,656.06 is: 5,974,455.81
Step by Step Solution
- Step 1: Write the proportion equation
6,267,758.49 : 8,646,829.86 = 4,330,656.06 : x - Step 2: Convert to fraction form
6,267,758.49/8,646,829.86 = 4,330,656.06/x - Step 3: Cross multiply
6,267,758.49x = 8,646,829.86 × 4,330,656.06 - Step 4: Simplify right side
6,267,758.49x = 37,446,446,132,997.95 - Step 5: Solve for x
x = 37,446,446,132,997.95/6,267,758.49 - Step 6: Final answer
x = 5,974,455.81
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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.