Finding the Fourth Proportional to 1,801,377.74, 2,485,655.76 and 1,076,071.49
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Solution
The fourth proportional to 1,801,377.74, 2,485,655.76 and 1,076,071.49 is: 1,484,831.99
Step by Step Solution
- Step 1: Write the proportion equation
1,801,377.74 : 2,485,655.76 = 1,076,071.49 : x - Step 2: Convert to fraction form
1,801,377.74/2,485,655.76 = 1,076,071.49/x - Step 3: Cross multiply
1,801,377.74x = 2,485,655.76 × 1,076,071.49 - Step 4: Simplify right side
1,801,377.74x = 2,674,743,297,290.28 - Step 5: Solve for x
x = 2,674,743,297,290.28/1,801,377.74 - Step 6: Final answer
x = 1,484,831.99
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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.