Finding the Fourth Proportional to 1,680,793.02, 2,319,511.14 and 916,862.58
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Solution
The fourth proportional to 1,680,793.02, 2,319,511.14 and 916,862.58 is: 1,265,279.51
Step by Step Solution
- Step 1: Write the proportion equation
1,680,793.02 : 2,319,511.14 = 916,862.58 : x - Step 2: Convert to fraction form
1,680,793.02/2,319,511.14 = 916,862.58/x - Step 3: Cross multiply
1,680,793.02x = 2,319,511.14 × 916,862.58 - Step 4: Simplify right side
1,680,793.02x = 2,126,672,968,159.14 - Step 5: Solve for x
x = 2,126,672,968,159.14/1,680,793.02 - Step 6: Final answer
x = 1,265,279.51
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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.