Finding the Fourth Proportional to 2,779,854.48, 4,172,478.11 and 1,341,550.08
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Solution
The fourth proportional to 2,779,854.48, 4,172,478.11 and 1,341,550.08 is: 2,013,626.39
Step by Step Solution
- Step 1: Write the proportion equation
2,779,854.48 : 4,172,478.11 = 1,341,550.08 : x - Step 2: Convert to fraction form
2,779,854.48/4,172,478.11 = 1,341,550.08/x - Step 3: Cross multiply
2,779,854.48x = 4,172,478.11 × 1,341,550.08 - Step 4: Simplify right side
2,779,854.48x = 5,597,588,342,268.75 - Step 5: Solve for x
x = 5,597,588,342,268.75/2,779,854.48 - Step 6: Final answer
x = 2,013,626.39
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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.