Finding the Fourth Proportional to 7,452,887.28, 11,179,862.48 and 1,987,951.54
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Solution
The fourth proportional to 7,452,887.28, 11,179,862.48 and 1,987,951.54 is: 2,982,069.09
Step by Step Solution
- Step 1: Write the proportion equation
7,452,887.28 : 11,179,862.48 = 1,987,951.54 : x - Step 2: Convert to fraction form
7,452,887.28/11,179,862.48 = 1,987,951.54/x - Step 3: Cross multiply
7,452,887.28x = 11,179,862.48 × 1,987,951.54 - Step 4: Simplify right side
7,452,887.28x = 22,225,024,796,214.80 - Step 5: Solve for x
x = 22,225,024,796,214.80/7,452,887.28 - Step 6: Final answer
x = 2,982,069.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.