Finding the Fourth Proportional to 1,779,429.92, 2,455,614.36 and 963,639.92
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Solution
The fourth proportional to 1,779,429.92, 2,455,614.36 and 963,639.92 is: 1,329,823.67
Step by Step Solution
- Step 1: Write the proportion equation
1,779,429.92 : 2,455,614.36 = 963,639.92 : x - Step 2: Convert to fraction form
1,779,429.92/2,455,614.36 = 963,639.92/x - Step 3: Cross multiply
1,779,429.92x = 2,455,614.36 × 963,639.92 - Step 4: Simplify right side
1,779,429.92x = 2,366,328,025,421.25 - Step 5: Solve for x
x = 2,366,328,025,421.25/1,779,429.92 - Step 6: Final answer
x = 1,329,823.67
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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.