Finding the Fourth Proportional to 1,352,416.38, 1,866,205.35 and 808,444.14
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Solution
The fourth proportional to 1,352,416.38, 1,866,205.35 and 808,444.14 is: 1,115,575.65
Step by Step Solution
- Step 1: Write the proportion equation
1,352,416.38 : 1,866,205.35 = 808,444.14 : x - Step 2: Convert to fraction form
1,352,416.38/1,866,205.35 = 808,444.14/x - Step 3: Cross multiply
1,352,416.38x = 1,866,205.35 × 808,444.14 - Step 4: Simplify right side
1,352,416.38x = 1,508,722,779,244.15 - Step 5: Solve for x
x = 1,508,722,779,244.15/1,352,416.38 - Step 6: Final answer
x = 1,115,575.65
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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.