Finding the Fourth Proportional to 1,748,239.28, 2,412,423.24 and 1,069,044.56
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Solution
The fourth proportional to 1,748,239.28, 2,412,423.24 and 1,069,044.56 is: 1,475,191.62
Step by Step Solution
- Step 1: Write the proportion equation
1,748,239.28 : 2,412,423.24 = 1,069,044.56 : x - Step 2: Convert to fraction form
1,748,239.28/2,412,423.24 = 1,069,044.56/x - Step 3: Cross multiply
1,748,239.28x = 2,412,423.24 × 1,069,044.56 - Step 4: Simplify right side
1,748,239.28x = 2,578,987,941,139.57 - Step 5: Solve for x
x = 2,578,987,941,139.57/1,748,239.28 - Step 6: Final answer
x = 1,475,191.62
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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.