Finding the Fourth Proportional to 1,376,995.02, 1,900,215.36 and 765,132.07
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Solution
The fourth proportional to 1,376,995.02, 1,900,215.36 and 765,132.07 is: 1,055,861.27
Step by Step Solution
- Step 1: Write the proportion equation
1,376,995.02 : 1,900,215.36 = 765,132.07 : x - Step 2: Convert to fraction form
1,376,995.02/1,900,215.36 = 765,132.07/x - Step 3: Cross multiply
1,376,995.02x = 1,900,215.36 × 765,132.07 - Step 4: Simplify right side
1,376,995.02x = 1,453,915,711,842.60 - Step 5: Solve for x
x = 1,453,915,711,842.60/1,376,995.02 - Step 6: Final answer
x = 1,055,861.27
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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.