Finding the Fourth Proportional to 7,610,905.47, 11,418,037.41 and 2,219,977.81
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Solution
The fourth proportional to 7,610,905.47, 11,418,037.41 and 2,219,977.81 is: 3,330,456.51
Step by Step Solution
- Step 1: Write the proportion equation
7,610,905.47 : 11,418,037.41 = 2,219,977.81 : x - Step 2: Convert to fraction form
7,610,905.47/11,418,037.41 = 2,219,977.81/x - Step 3: Cross multiply
7,610,905.47x = 11,418,037.41 × 2,219,977.81 - Step 4: Simplify right side
7,610,905.47x = 25,347,789,671,312.82 - Step 5: Solve for x
x = 25,347,789,671,312.82/7,610,905.47 - Step 6: Final answer
x = 3,330,456.51
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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.