Finding the Fourth Proportional to 5,247,866.56, 7,872,904.50 and 2,974,480.24
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Solution
The fourth proportional to 5,247,866.56, 7,872,904.50 and 2,974,480.24 is: 4,462,346.48
Step by Step Solution
- Step 1: Write the proportion equation
5,247,866.56 : 7,872,904.50 = 2,974,480.24 : x - Step 2: Convert to fraction form
5,247,866.56/7,872,904.50 = 2,974,480.24/x - Step 3: Cross multiply
5,247,866.56x = 7,872,904.50 × 2,974,480.24 - Step 4: Simplify right side
5,247,866.56x = 23,417,798,866,657.08 - Step 5: Solve for x
x = 23,417,798,866,657.08/5,247,866.56 - Step 6: Final answer
x = 4,462,346.48
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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.