Finding the Fourth Proportional to 2,101,264.24, 2,900,178.10 and 1,367,135.86
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Solution
The fourth proportional to 2,101,264.24, 2,900,178.10 and 1,367,135.86 is: 1,886,929.50
Step by Step Solution
- Step 1: Write the proportion equation
2,101,264.24 : 2,900,178.10 = 1,367,135.86 : x - Step 2: Convert to fraction form
2,101,264.24/2,900,178.10 = 1,367,135.86/x - Step 3: Cross multiply
2,101,264.24x = 2,900,178.10 × 1,367,135.86 - Step 4: Simplify right side
2,101,264.24x = 3,964,937,480,896.67 - Step 5: Solve for x
x = 3,964,937,480,896.67/2,101,264.24 - Step 6: Final answer
x = 1,886,929.50
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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.