Finding the Fourth Proportional to 6,460,856.58, 8,916,041.88 and 3,560,351.26
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Solution
The fourth proportional to 6,460,856.58, 8,916,041.88 and 3,560,351.26 is: 4,913,317.69
Step by Step Solution
- Step 1: Write the proportion equation
6,460,856.58 : 8,916,041.88 = 3,560,351.26 : x - Step 2: Convert to fraction form
6,460,856.58/8,916,041.88 = 3,560,351.26/x - Step 3: Cross multiply
6,460,856.58x = 8,916,041.88 × 3,560,351.26 - Step 4: Simplify right side
6,460,856.58x = 31,744,240,941,670.77 - Step 5: Solve for x
x = 31,744,240,941,670.77/6,460,856.58 - Step 6: Final answer
x = 4,913,317.69
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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.