Finding the Fourth Proportional to 4,251,526.97, 6,378,389.94 and 1,219,114.79
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Solution
The fourth proportional to 4,251,526.97, 6,378,389.94 and 1,219,114.79 is: 1,828,987.45
Step by Step Solution
- Step 1: Write the proportion equation
4,251,526.97 : 6,378,389.94 = 1,219,114.79 : x - Step 2: Convert to fraction form
4,251,526.97/6,378,389.94 = 1,219,114.79/x - Step 3: Cross multiply
4,251,526.97x = 6,378,389.94 × 1,219,114.79 - Step 4: Simplify right side
4,251,526.97x = 7,775,989,498,156.30 - Step 5: Solve for x
x = 7,775,989,498,156.30/4,251,526.97 - Step 6: Final answer
x = 1,828,987.45
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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.