Finding the Fourth Proportional to 1,512,340.04, 2,087,076.54 and 867,878.12
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Solution
The fourth proportional to 1,512,340.04, 2,087,076.54 and 867,878.12 is: 1,197,698.94
Step by Step Solution
- Step 1: Write the proportion equation
1,512,340.04 : 2,087,076.54 = 867,878.12 : x - Step 2: Convert to fraction form
1,512,340.04/2,087,076.54 = 867,878.12/x - Step 3: Cross multiply
1,512,340.04x = 2,087,076.54 × 867,878.12 - Step 4: Simplify right side
1,512,340.04x = 1,811,328,053,395.92 - Step 5: Solve for x
x = 1,811,328,053,395.92/1,512,340.04 - Step 6: Final answer
x = 1,197,698.94
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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.