Finding the Fourth Proportional to 1,664,918.96, 2,297,588.11 and 900,972.52
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Solution
The fourth proportional to 1,664,918.96, 2,297,588.11 and 900,972.52 is: 1,243,342.05
Step by Step Solution
- Step 1: Write the proportion equation
1,664,918.96 : 2,297,588.11 = 900,972.52 : x - Step 2: Convert to fraction form
1,664,918.96/2,297,588.11 = 900,972.52/x - Step 3: Cross multiply
1,664,918.96x = 2,297,588.11 × 900,972.52 - Step 4: Simplify right side
1,664,918.96x = 2,070,063,743,926.41 - Step 5: Solve for x
x = 2,070,063,743,926.41/1,664,918.96 - Step 6: Final answer
x = 1,243,342.05
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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.