Finding the Fourth Proportional to 2,229,466.99, 3,076,680.24 and 1,210,871.74
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Solution
The fourth proportional to 2,229,466.99, 3,076,680.24 and 1,210,871.74 is: 1,671,011.58
Step by Step Solution
- Step 1: Write the proportion equation
2,229,466.99 : 3,076,680.24 = 1,210,871.74 : x - Step 2: Convert to fraction form
2,229,466.99/3,076,680.24 = 1,210,871.74/x - Step 3: Cross multiply
2,229,466.99x = 3,076,680.24 × 1,210,871.74 - Step 4: Simplify right side
2,229,466.99x = 3,725,465,155,632.42 - Step 5: Solve for x
x = 3,725,465,155,632.42/2,229,466.99 - Step 6: Final answer
x = 1,671,011.58
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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.