Finding the Fourth Proportional to 2,266,541.56, 3,127,820.12 and 1,247,946.28
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Solution
The fourth proportional to 2,266,541.56, 3,127,820.12 and 1,247,946.28 is: 1,722,161.88
Step by Step Solution
- Step 1: Write the proportion equation
2,266,541.56 : 3,127,820.12 = 1,247,946.28 : x - Step 2: Convert to fraction form
2,266,541.56/3,127,820.12 = 1,247,946.28/x - Step 3: Cross multiply
2,266,541.56x = 3,127,820.12 × 1,247,946.28 - Step 4: Simplify right side
2,266,541.56x = 3,903,351,483,263.15 - Step 5: Solve for x
x = 3,903,351,483,263.15/2,266,541.56 - Step 6: Final answer
x = 1,722,161.88
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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.