Finding the Fourth Proportional to 4,487,840.84, 6,731,761.23 and 1,122,047.84
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Solution
The fourth proportional to 4,487,840.84, 6,731,761.23 and 1,122,047.84 is: 1,683,071.75
Step by Step Solution
- Step 1: Write the proportion equation
4,487,840.84 : 6,731,761.23 = 1,122,047.84 : x - Step 2: Convert to fraction form
4,487,840.84/6,731,761.23 = 1,122,047.84/x - Step 3: Cross multiply
4,487,840.84x = 6,731,761.23 × 1,122,047.84 - Step 4: Simplify right side
4,487,840.84x = 7,553,358,113,858.44 - Step 5: Solve for x
x = 7,553,358,113,858.44/4,487,840.84 - Step 6: Final answer
x = 1,683,071.75
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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.