Finding the Fourth Proportional to 2,621,028.12, 3,617,135.16 and 1,475,182.68
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Solution
The fourth proportional to 2,621,028.12, 3,617,135.16 and 1,475,182.68 is: 2,035,817.59
Step by Step Solution
- Step 1: Write the proportion equation
2,621,028.12 : 3,617,135.16 = 1,475,182.68 : x - Step 2: Convert to fraction form
2,621,028.12/3,617,135.16 = 1,475,182.68/x - Step 3: Cross multiply
2,621,028.12x = 3,617,135.16 × 1,475,182.68 - Step 4: Simplify right side
2,621,028.12x = 5,335,935,139,251.03 - Step 5: Solve for x
x = 5,335,935,139,251.03/2,621,028.12 - Step 6: Final answer
x = 2,035,817.59
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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.