Finding the Fourth Proportional to 2,084,784.08, 2,877,007.56 and 1,130,928.08
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Solution
The fourth proportional to 2,084,784.08, 2,877,007.56 and 1,130,928.08 is: 1,560,683.75
Step by Step Solution
- Step 1: Write the proportion equation
2,084,784.08 : 2,877,007.56 = 1,130,928.08 : x - Step 2: Convert to fraction form
2,084,784.08/2,877,007.56 = 1,130,928.08/x - Step 3: Cross multiply
2,084,784.08x = 2,877,007.56 × 1,130,928.08 - Step 4: Simplify right side
2,084,784.08x = 3,253,688,635,976.29 - Step 5: Solve for x
x = 3,253,688,635,976.29/2,084,784.08 - Step 6: Final answer
x = 1,560,683.75
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1.5x scale
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.