Finding the Fourth Proportional to 2,175,603.40, 3,256,953.90 and 1,617,113.80
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Solution
The fourth proportional to 2,175,603.40, 3,256,953.90 and 1,617,113.80 is: 2,420,875.56
Step by Step Solution
- Step 1: Write the proportion equation
2,175,603.40 : 3,256,953.90 = 1,617,113.80 : x - Step 2: Convert to fraction form
2,175,603.40/3,256,953.90 = 1,617,113.80/x - Step 3: Cross multiply
2,175,603.40x = 3,256,953.90 × 1,617,113.80 - Step 4: Simplify right side
2,175,603.40x = 5,266,865,097,653.82 - Step 5: Solve for x
x = 5,266,865,097,653.82/2,175,603.40 - Step 6: Final answer
x = 2,420,875.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.