Finding the Fourth Proportional to 1,401,386.10, 2,102,079.15 and 1,374,814.05
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Solution
The fourth proportional to 1,401,386.10, 2,102,079.15 and 1,374,814.05 is: 2,062,221.08
Step by Step Solution
- Step 1: Write the proportion equation
1,401,386.10 : 2,102,079.15 = 1,374,814.05 : x - Step 2: Convert to fraction form
1,401,386.10/2,102,079.15 = 1,374,814.05/x - Step 3: Cross multiply
1,401,386.10x = 2,102,079.15 × 1,374,814.05 - Step 4: Simplify right side
1,401,386.10x = 2,889,967,949,632.06 - Step 5: Solve for x
x = 2,889,967,949,632.06/1,401,386.10 - Step 6: Final answer
x = 2,062,221.08
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1.5x scale
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.