Finding the Fourth Proportional to 2,107,000.08, 2,907,639.36 and 1,140,109.92
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Solution
The fourth proportional to 2,107,000.08, 2,907,639.36 and 1,140,109.92 is: 1,573,340.46
Step by Step Solution
- Step 1: Write the proportion equation
2,107,000.08 : 2,907,639.36 = 1,140,109.92 : x - Step 2: Convert to fraction form
2,107,000.08/2,907,639.36 = 1,140,109.92/x - Step 3: Cross multiply
2,107,000.08x = 2,907,639.36 × 1,140,109.92 - Step 4: Simplify right side
2,107,000.08x = 3,315,028,478,118.45 - Step 5: Solve for x
x = 3,315,028,478,118.45/2,107,000.08 - Step 6: Final answer
x = 1,573,340.46
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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.