Finding the Fourth Proportional to 1,729,317.16, 2,369,153.47 and 1,664,648.97
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Solution
The fourth proportional to 1,729,317.16, 2,369,153.47 and 1,664,648.97 is: 2,280,558.46
Step by Step Solution
- Step 1: Write the proportion equation
1,729,317.16 : 2,369,153.47 = 1,664,648.97 : x - Step 2: Convert to fraction form
1,729,317.16/2,369,153.47 = 1,664,648.97/x - Step 3: Cross multiply
1,729,317.16x = 2,369,153.47 × 1,664,648.97 - Step 4: Simplify right side
1,729,317.16x = 3,943,808,875,284.18 - Step 5: Solve for x
x = 3,943,808,875,284.18/1,729,317.16 - Step 6: Final answer
x = 2,280,558.46
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.