Finding the Fourth Proportional to 1,664,936.19, 2,297,617.72 and 900,989.55
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Solution
The fourth proportional to 1,664,936.19, 2,297,617.72 and 900,989.55 is: 1,243,368.70
Step by Step Solution
- Step 1: Write the proportion equation
1,664,936.19 : 2,297,617.72 = 900,989.55 : x - Step 2: Convert to fraction form
1,664,936.19/2,297,617.72 = 900,989.55/x - Step 3: Cross multiply
1,664,936.19x = 2,297,617.72 × 900,989.55 - Step 4: Simplify right side
1,664,936.19x = 2,070,129,553,362.35 - Step 5: Solve for x
x = 2,070,129,553,362.35/1,664,936.19 - Step 6: Final answer
x = 1,243,368.70
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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.