Finding the Fourth Proportional to 1,376,937.49, 2,063,929.61 and 665,987.53
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Solution
The fourth proportional to 1,376,937.49, 2,063,929.61 and 665,987.53 is: 998,267.09
Step by Step Solution
- Step 1: Write the proportion equation
1,376,937.49 : 2,063,929.61 = 665,987.53 : x - Step 2: Convert to fraction form
1,376,937.49/2,063,929.61 = 665,987.53/x - Step 3: Cross multiply
1,376,937.49x = 2,063,929.61 × 665,987.53 - Step 4: Simplify right side
1,376,937.49x = 1,374,551,379,727.83 - Step 5: Solve for x
x = 1,374,551,379,727.83/1,376,937.49 - Step 6: Final answer
x = 998,267.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.