Finding the Fourth Proportional to 3,230,239.11, 4,457,925.71 and 1,779,932.79
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Solution
The fourth proportional to 3,230,239.11, 4,457,925.71 and 1,779,932.79 is: 2,456,415.11
Step by Step Solution
- Step 1: Write the proportion equation
3,230,239.11 : 4,457,925.71 = 1,779,932.79 : x - Step 2: Convert to fraction form
3,230,239.11/4,457,925.71 = 1,779,932.79/x - Step 3: Cross multiply
3,230,239.11x = 4,457,925.71 × 1,779,932.79 - Step 4: Simplify right side
3,230,239.11x = 7,934,808,144,388.12 - Step 5: Solve for x
x = 7,934,808,144,388.12/3,230,239.11 - Step 6: Final answer
x = 2,456,415.11
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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.