Finding the Fourth Proportional to 7,644,588.18, 11,466,905.84 and 1,887,322.47
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Solution
The fourth proportional to 7,644,588.18, 11,466,905.84 and 1,887,322.47 is: 2,830,989.52
Step by Step Solution
- Step 1: Write the proportion equation
7,644,588.18 : 11,466,905.84 = 1,887,322.47 : x - Step 2: Convert to fraction form
7,644,588.18/11,466,905.84 = 1,887,322.47/x - Step 3: Cross multiply
7,644,588.18x = 11,466,905.84 × 1,887,322.47 - Step 4: Simplify right side
7,644,588.18x = 21,641,749,014,923.63 - Step 5: Solve for x
x = 21,641,749,014,923.63/7,644,588.18 - Step 6: Final answer
x = 2,830,989.52
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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.