Finding the Fourth Proportional to 2,119,138.14, 2,924,389.35 and 1,152,268.68
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Solution
The fourth proportional to 2,119,138.14, 2,924,389.35 and 1,152,268.68 is: 1,590,119.21
Step by Step Solution
- Step 1: Write the proportion equation
2,119,138.14 : 2,924,389.35 = 1,152,268.68 : x - Step 2: Convert to fraction form
2,119,138.14/2,924,389.35 = 1,152,268.68/x - Step 3: Cross multiply
2,119,138.14x = 2,924,389.35 × 1,152,268.68 - Step 4: Simplify right side
2,119,138.14x = 3,369,682,256,130.56 - Step 5: Solve for x
x = 3,369,682,256,130.56/2,119,138.14 - Step 6: Final answer
x = 1,590,119.21
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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.