Finding the Fourth Proportional to 4,156,779.84, 6,235,411.68 and 1,165,197.12
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Solution
The fourth proportional to 4,156,779.84, 6,235,411.68 and 1,165,197.12 is: 1,747,863.49
Step by Step Solution
- Step 1: Write the proportion equation
4,156,779.84 : 6,235,411.68 = 1,165,197.12 : x - Step 2: Convert to fraction form
4,156,779.84/6,235,411.68 = 1,165,197.12/x - Step 3: Cross multiply
4,156,779.84x = 6,235,411.68 × 1,165,197.12 - Step 4: Simplify right side
4,156,779.84x = 7,265,483,731,550.36 - Step 5: Solve for x
x = 7,265,483,731,550.36/4,156,779.84 - Step 6: Final answer
x = 1,747,863.49
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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.