Finding the Fourth Proportional to 1,928,612.48, 2,889,652.64 and 1,168,155.84
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Solution
The fourth proportional to 1,928,612.48, 2,889,652.64 and 1,168,155.84 is: 1,750,255.50
Step by Step Solution
- Step 1: Write the proportion equation
1,928,612.48 : 2,889,652.64 = 1,168,155.84 : x - Step 2: Convert to fraction form
1,928,612.48/2,889,652.64 = 1,168,155.84/x - Step 3: Cross multiply
1,928,612.48x = 2,889,652.64 × 1,168,155.84 - Step 4: Simplify right side
1,928,612.48x = 3,375,564,606,987.42 - Step 5: Solve for x
x = 3,375,564,606,987.42/1,928,612.48 - Step 6: Final answer
x = 1,750,255.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.