Finding the Fourth Proportional to 2,509,602.41, 3,462,970.22 and 1,421,640.98
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Solution
The fourth proportional to 2,509,602.41, 3,462,970.22 and 1,421,640.98 is: 1,961,705.32
Step by Step Solution
- Step 1: Write the proportion equation
2,509,602.41 : 3,462,970.22 = 1,421,640.98 : x - Step 2: Convert to fraction form
2,509,602.41/3,462,970.22 = 1,421,640.98/x - Step 3: Cross multiply
2,509,602.41x = 3,462,970.22 × 1,421,640.98 - Step 4: Simplify right side
2,509,602.41x = 4,923,100,377,271.62 - Step 5: Solve for x
x = 4,923,100,377,271.62/2,509,602.41 - Step 6: Final answer
x = 1,961,705.32
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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.