Finding the Fourth Proportional to 3,927,522.24, 5,878,681.96 and 2,101,318.76
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Solution
The fourth proportional to 3,927,522.24, 5,878,681.96 and 2,101,318.76 is: 3,145,236.09
Step by Step Solution
- Step 1: Write the proportion equation
3,927,522.24 : 5,878,681.96 = 2,101,318.76 : x - Step 2: Convert to fraction form
3,927,522.24/5,878,681.96 = 2,101,318.76/x - Step 3: Cross multiply
3,927,522.24x = 5,878,681.96 × 2,101,318.76 - Step 4: Simplify right side
3,927,522.24x = 12,352,984,686,621.57 - Step 5: Solve for x
x = 12,352,984,686,621.57/3,927,522.24 - Step 6: Final answer
x = 3,145,236.09
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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.