Finding the Fourth Proportional to 3,219,528.68, 4,441,980.68 and 1,929,898.52
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Solution
The fourth proportional to 3,219,528.68, 4,441,980.68 and 1,929,898.52 is: 2,662,679.17
Step by Step Solution
- Step 1: Write the proportion equation
3,219,528.68 : 4,441,980.68 = 1,929,898.52 : x - Step 2: Convert to fraction form
3,219,528.68/4,441,980.68 = 1,929,898.52/x - Step 3: Cross multiply
3,219,528.68x = 4,441,980.68 × 1,929,898.52 - Step 4: Simplify right side
3,219,528.68x = 8,572,571,940,200.59 - Step 5: Solve for x
x = 8,572,571,940,200.59/3,219,528.68 - Step 6: Final answer
x = 2,662,679.17
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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.