Finding the Fourth Proportional to 4,781,409.32, 6,598,152.36 and 2,605,905.65
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Solution
The fourth proportional to 4,781,409.32, 6,598,152.36 and 2,605,905.65 is: 3,596,044.88
Step by Step Solution
- Step 1: Write the proportion equation
4,781,409.32 : 6,598,152.36 = 2,605,905.65 : x - Step 2: Convert to fraction form
4,781,409.32/6,598,152.36 = 2,605,905.65/x - Step 3: Cross multiply
4,781,409.32x = 6,598,152.36 × 2,605,905.65 - Step 4: Simplify right side
4,781,409.32x = 17,194,162,481,494.07 - Step 5: Solve for x
x = 17,194,162,481,494.07/4,781,409.32 - Step 6: Final answer
x = 3,596,044.88
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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.