Finding the Fourth Proportional to 1,275,106.32, 1,911,224.12 and 556,053.12
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Solution
The fourth proportional to 1,275,106.32, 1,911,224.12 and 556,053.12 is: 833,453.74
Step by Step Solution
- Step 1: Write the proportion equation
1,275,106.32 : 1,911,224.12 = 556,053.12 : x - Step 2: Convert to fraction form
1,275,106.32/1,911,224.12 = 556,053.12/x - Step 3: Cross multiply
1,275,106.32x = 1,911,224.12 × 556,053.12 - Step 4: Simplify right side
1,275,106.32x = 1,062,742,134,945.25 - Step 5: Solve for x
x = 1,062,742,134,945.25/1,275,106.32 - Step 6: Final answer
x = 833,453.74
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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.