Finding the Fourth Proportional to 1,450,825.99, 2,000,029.72 and 1,013,886.79
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Solution
The fourth proportional to 1,450,825.99, 2,000,029.72 and 1,013,886.79 is: 1,397,689.13
Step by Step Solution
- Step 1: Write the proportion equation
1,450,825.99 : 2,000,029.72 = 1,013,886.79 : x - Step 2: Convert to fraction form
1,450,825.99/2,000,029.72 = 1,013,886.79/x - Step 3: Cross multiply
1,450,825.99x = 2,000,029.72 × 1,013,886.79 - Step 4: Simplify right side
1,450,825.99x = 2,027,803,712,715.40 - Step 5: Solve for x
x = 2,027,803,712,715.40/1,450,825.99 - Step 6: Final answer
x = 1,397,689.13
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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.