Finding the Fourth Proportional to 3,450,581.80, 4,762,881.47 and 2,226,889.69
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Solution
The fourth proportional to 3,450,581.80, 4,762,881.47 and 2,226,889.69 is: 3,073,803.86
Step by Step Solution
- Step 1: Write the proportion equation
3,450,581.80 : 4,762,881.47 = 2,226,889.69 : x - Step 2: Convert to fraction form
3,450,581.80/4,762,881.47 = 2,226,889.69/x - Step 3: Cross multiply
3,450,581.80x = 4,762,881.47 × 2,226,889.69 - Step 4: Simplify right side
3,450,581.80x = 10,606,411,633,895.06 - Step 5: Solve for x
x = 10,606,411,633,895.06/3,450,581.80 - Step 6: Final answer
x = 3,073,803.86
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1.5x scale
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.