Finding the Fourth Proportional to 2,259,352.40, 3,387,959.40 and 1,313,013.20
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Solution
The fourth proportional to 2,259,352.40, 3,387,959.40 and 1,313,013.20 is: 1,968,898.44
Step by Step Solution
- Step 1: Write the proportion equation
2,259,352.40 : 3,387,959.40 = 1,313,013.20 : x - Step 2: Convert to fraction form
2,259,352.40/3,387,959.40 = 1,313,013.20/x - Step 3: Cross multiply
2,259,352.40x = 3,387,959.40 × 1,313,013.20 - Step 4: Simplify right side
2,259,352.40x = 4,448,435,413,264.08 - Step 5: Solve for x
x = 4,448,435,413,264.08/2,259,352.40 - Step 6: Final answer
x = 1,968,898.44
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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.