Finding the Fourth Proportional to 1,425,044.16, 1,966,574.08 and 972,325.44
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Solution
The fourth proportional to 1,425,044.16, 1,966,574.08 and 972,325.44 is: 1,341,818.07
Step by Step Solution
- Step 1: Write the proportion equation
1,425,044.16 : 1,966,574.08 = 972,325.44 : x - Step 2: Convert to fraction form
1,425,044.16/1,966,574.08 = 972,325.44/x - Step 3: Cross multiply
1,425,044.16x = 1,966,574.08 × 972,325.44 - Step 4: Simplify right side
1,425,044.16x = 1,912,150,007,628.60 - Step 5: Solve for x
x = 1,912,150,007,628.60/1,425,044.16 - Step 6: Final answer
x = 1,341,818.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.