Finding the Fourth Proportional to 1,352,101.84, 1,866,004.17 and 771,337.75
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Solution
The fourth proportional to 1,352,101.84, 1,866,004.17 and 771,337.75 is: 1,064,505.21
Step by Step Solution
- Step 1: Write the proportion equation
1,352,101.84 : 1,866,004.17 = 771,337.75 : x - Step 2: Convert to fraction form
1,352,101.84/1,866,004.17 = 771,337.75/x - Step 3: Cross multiply
1,352,101.84x = 1,866,004.17 × 771,337.75 - Step 4: Simplify right side
1,352,101.84x = 1,439,319,457,978.42 - Step 5: Solve for x
x = 1,439,319,457,978.42/1,352,101.84 - Step 6: Final answer
x = 1,064,505.21
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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.