Finding the Fourth Proportional to 2,498,155.20, 3,447,470.88 and 1,395,586.08
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Solution
The fourth proportional to 2,498,155.20, 3,447,470.88 and 1,395,586.08 is: 1,925,918.12
Step by Step Solution
- Step 1: Write the proportion equation
2,498,155.20 : 3,447,470.88 = 1,395,586.08 : x - Step 2: Convert to fraction form
2,498,155.20/3,447,470.88 = 1,395,586.08/x - Step 3: Cross multiply
2,498,155.20x = 3,447,470.88 × 1,395,586.08 - Step 4: Simplify right side
2,498,155.20x = 4,811,242,371,333.35 - Step 5: Solve for x
x = 4,811,242,371,333.35/2,498,155.20 - Step 6: Final answer
x = 1,925,918.12
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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.