Finding the Fourth Proportional to 7,219,237.97, 10,828,754.18 and 1,754,372.90
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Solution
The fourth proportional to 7,219,237.97, 10,828,754.18 and 1,754,372.90 is: 2,631,534.38
Step by Step Solution
- Step 1: Write the proportion equation
7,219,237.97 : 10,828,754.18 = 1,754,372.90 : x - Step 2: Convert to fraction form
7,219,237.97/10,828,754.18 = 1,754,372.90/x - Step 3: Cross multiply
7,219,237.97x = 10,828,754.18 × 1,754,372.90 - Step 4: Simplify right side
7,219,237.97x = 18,997,672,905,611.54 - Step 5: Solve for x
x = 18,997,672,905,611.54/7,219,237.97 - Step 6: Final answer
x = 2,631,534.38
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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.