Finding the Fourth Proportional to 4,283,465.92, 6,425,220.76 and 1,443,602.68
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Solution
The fourth proportional to 4,283,465.92, 6,425,220.76 and 1,443,602.68 is: 2,165,411.39
Step by Step Solution
- Step 1: Write the proportion equation
4,283,465.92 : 6,425,220.76 = 1,443,602.68 : x - Step 2: Convert to fraction form
4,283,465.92/6,425,220.76 = 1,443,602.68/x - Step 3: Cross multiply
4,283,465.92x = 6,425,220.76 × 1,443,602.68 - Step 4: Simplify right side
4,283,465.92x = 9,275,465,889,055.58 - Step 5: Solve for x
x = 9,275,465,889,055.58/4,283,465.92 - Step 6: Final answer
x = 2,165,411.39
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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.