Finding the Fourth Proportional to 2,621,020.84, 3,617,125.14 and 1,475,175.40
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Solution
The fourth proportional to 2,621,020.84, 3,617,125.14 and 1,475,175.40 is: 2,035,807.55
Step by Step Solution
- Step 1: Write the proportion equation
2,621,020.84 : 3,617,125.14 = 1,475,175.40 : x - Step 2: Convert to fraction form
2,621,020.84/3,617,125.14 = 1,475,175.40/x - Step 3: Cross multiply
2,621,020.84x = 3,617,125.14 × 1,475,175.40 - Step 4: Simplify right side
2,621,020.84x = 5,335,894,025,249.56 - Step 5: Solve for x
x = 5,335,894,025,249.56/2,621,020.84 - Step 6: Final answer
x = 2,035,807.55
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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.