Finding the Fourth Proportional to 1,779,405.84, 2,455,581.32 and 963,615.92
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Solution
The fourth proportional to 1,779,405.84, 2,455,581.32 and 963,615.92 is: 1,329,790.65
Step by Step Solution
- Step 1: Write the proportion equation
1,779,405.84 : 2,455,581.32 = 963,615.92 : x - Step 2: Convert to fraction form
1,779,405.84/2,455,581.32 = 963,615.92/x - Step 3: Cross multiply
1,779,405.84x = 2,455,581.32 × 963,615.92 - Step 4: Simplify right side
1,779,405.84x = 2,366,237,252,806.61 - Step 5: Solve for x
x = 2,366,237,252,806.61/1,779,405.84 - Step 6: Final answer
x = 1,329,790.65
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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.