Finding the Fourth Proportional to 4,637,673.20, 6,959,620.20 and 2,742,402.80
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Solution
The fourth proportional to 4,637,673.20, 6,959,620.20 and 2,742,402.80 is: 4,115,443.48
Step by Step Solution
- Step 1: Write the proportion equation
4,637,673.20 : 6,959,620.20 = 2,742,402.80 : x - Step 2: Convert to fraction form
4,637,673.20/6,959,620.20 = 2,742,402.80/x - Step 3: Cross multiply
4,637,673.20x = 6,959,620.20 × 2,742,402.80 - Step 4: Simplify right side
4,637,673.20x = 19,086,081,923,416.56 - Step 5: Solve for x
x = 19,086,081,923,416.56/4,637,673.20 - Step 6: Final answer
x = 4,115,443.48
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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.