Finding the Fourth Proportional to 3,479,203.12, 5,216,707.68 and 1,559,767.08
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Solution
The fourth proportional to 3,479,203.12, 5,216,707.68 and 1,559,767.08 is: 2,338,710.51
Step by Step Solution
- Step 1: Write the proportion equation
3,479,203.12 : 5,216,707.68 = 1,559,767.08 : x - Step 2: Convert to fraction form
3,479,203.12/5,216,707.68 = 1,559,767.08/x - Step 3: Cross multiply
3,479,203.12x = 5,216,707.68 × 1,559,767.08 - Step 4: Simplify right side
3,479,203.12x = 8,136,848,905,247.18 - Step 5: Solve for x
x = 8,136,848,905,247.18/3,479,203.12 - Step 6: Final answer
x = 2,338,710.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.