Finding the Fourth Proportional to 4,893,982.80, 7,340,974.20 and 3,102,392.40
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Solution
The fourth proportional to 4,893,982.80, 7,340,974.20 and 3,102,392.40 is: 4,653,588.60
Step by Step Solution
- Step 1: Write the proportion equation
4,893,982.80 : 7,340,974.20 = 3,102,392.40 : x - Step 2: Convert to fraction form
4,893,982.80/7,340,974.20 = 3,102,392.40/x - Step 3: Cross multiply
4,893,982.80x = 7,340,974.20 × 3,102,392.40 - Step 4: Simplify right side
4,893,982.80x = 22,774,582,566,676.08 - Step 5: Solve for x
x = 22,774,582,566,676.08/4,893,982.80 - Step 6: Final answer
x = 4,653,588.60
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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.