Finding the Fourth Proportional to 2,847,403.76, 3,929,037.72 and 1,639,946.48
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Solution
The fourth proportional to 2,847,403.76, 3,929,037.72 and 1,639,946.48 is: 2,262,907.59
Step by Step Solution
- Step 1: Write the proportion equation
2,847,403.76 : 3,929,037.72 = 1,639,946.48 : x - Step 2: Convert to fraction form
2,847,403.76/3,929,037.72 = 1,639,946.48/x - Step 3: Cross multiply
2,847,403.76x = 3,929,037.72 × 1,639,946.48 - Step 4: Simplify right side
2,847,403.76x = 6,443,411,578,701.23 - Step 5: Solve for x
x = 6,443,411,578,701.23/2,847,403.76 - Step 6: Final answer
x = 2,262,907.59
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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.