Finding the Fourth Proportional to 7,127,774.28, 10,692,728.28 and 2,579,887.20
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Solution
The fourth proportional to 7,127,774.28, 10,692,728.28 and 2,579,887.20 is: 3,870,216.95
Step by Step Solution
- Step 1: Write the proportion equation
7,127,774.28 : 10,692,728.28 = 2,579,887.20 : x - Step 2: Convert to fraction form
7,127,774.28/10,692,728.28 = 2,579,887.20/x - Step 3: Cross multiply
7,127,774.28x = 10,692,728.28 × 2,579,887.20 - Step 4: Simplify right side
7,127,774.28x = 27,586,032,822,650.02 - Step 5: Solve for x
x = 27,586,032,822,650.02/7,127,774.28 - Step 6: Final answer
x = 3,870,216.95
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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.