Finding the Fourth Proportional to 1,490,851.58, 2,057,319.07 and 911,044.19
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Solution
The fourth proportional to 1,490,851.58, 2,057,319.07 and 911,044.19 is: 1,257,206.70
Step by Step Solution
- Step 1: Write the proportion equation
1,490,851.58 : 2,057,319.07 = 911,044.19 : x - Step 2: Convert to fraction form
1,490,851.58/2,057,319.07 = 911,044.19/x - Step 3: Cross multiply
1,490,851.58x = 2,057,319.07 × 911,044.19 - Step 4: Simplify right side
1,490,851.58x = 1,874,308,588,565.39 - Step 5: Solve for x
x = 1,874,308,588,565.39/1,490,851.58 - Step 6: Final answer
x = 1,257,206.70
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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.