Finding the Fourth Proportional to 2,457,424.47, 3,391,261.53 and 1,369,764.99
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Solution
The fourth proportional to 2,457,424.47, 3,391,261.53 and 1,369,764.99 is: 1,890,284.47
Step by Step Solution
- Step 1: Write the proportion equation
2,457,424.47 : 3,391,261.53 = 1,369,764.99 : x - Step 2: Convert to fraction form
2,457,424.47/3,391,261.53 = 1,369,764.99/x - Step 3: Cross multiply
2,457,424.47x = 3,391,261.53 × 1,369,764.99 - Step 4: Simplify right side
2,457,424.47x = 4,645,231,315,727.83 - Step 5: Solve for x
x = 4,645,231,315,727.83/2,457,424.47 - Step 6: Final answer
x = 1,890,284.47
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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.