Finding the Fourth Proportional to 2,604,879.20, 3,910,897.81 and 1,326,345.63
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Solution
The fourth proportional to 2,604,879.20, 3,910,897.81 and 1,326,345.63 is: 1,991,340.80
Step by Step Solution
- Step 1: Write the proportion equation
2,604,879.20 : 3,910,897.81 = 1,326,345.63 : x - Step 2: Convert to fraction form
2,604,879.20/3,910,897.81 = 1,326,345.63/x - Step 3: Cross multiply
2,604,879.20x = 3,910,897.81 × 1,326,345.63 - Step 4: Simplify right side
2,604,879.20x = 5,187,202,219,670.07 - Step 5: Solve for x
x = 5,187,202,219,670.07/2,604,879.20 - Step 6: Final answer
x = 1,991,340.80
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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.