Finding the Fourth Proportional to 1,372,980.09, 2,059,813.14 and 968,961.15
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Solution
The fourth proportional to 1,372,980.09, 2,059,813.14 and 968,961.15 is: 1,453,683.80
Step by Step Solution
- Step 1: Write the proportion equation
1,372,980.09 : 2,059,813.14 = 968,961.15 : x - Step 2: Convert to fraction form
1,372,980.09/2,059,813.14 = 968,961.15/x - Step 3: Cross multiply
1,372,980.09x = 2,059,813.14 × 968,961.15 - Step 4: Simplify right side
1,372,980.09x = 1,995,878,908,919.51 - Step 5: Solve for x
x = 1,995,878,908,919.51/1,372,980.09 - Step 6: Final answer
x = 1,453,683.80
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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.