Finding the Fourth Proportional to 3,076,929.16, 4,246,197.06 and 1,700,267.20
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Solution
The fourth proportional to 3,076,929.16, 4,246,197.06 and 1,700,267.20 is: 2,346,387.98
Step by Step Solution
- Step 1: Write the proportion equation
3,076,929.16 : 4,246,197.06 = 1,700,267.20 : x - Step 2: Convert to fraction form
3,076,929.16/4,246,197.06 = 1,700,267.20/x - Step 3: Cross multiply
3,076,929.16x = 4,246,197.06 × 1,700,267.20 - Step 4: Simplify right side
3,076,929.16x = 7,219,669,585,854.43 - Step 5: Solve for x
x = 7,219,669,585,854.43/3,076,929.16 - Step 6: Final answer
x = 2,346,387.98
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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.