Finding the Fourth Proportional to 1,625,927.91, 2,242,876.53 and 1,280,491.26
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Solution
The fourth proportional to 1,625,927.91, 2,242,876.53 and 1,280,491.26 is: 1,766,366.01
Step by Step Solution
- Step 1: Write the proportion equation
1,625,927.91 : 2,242,876.53 = 1,280,491.26 : x - Step 2: Convert to fraction form
1,625,927.91/2,242,876.53 = 1,280,491.26/x - Step 3: Cross multiply
1,625,927.91x = 2,242,876.53 × 1,280,491.26 - Step 4: Simplify right side
1,625,927.91x = 2,871,983,793,924.13 - Step 5: Solve for x
x = 2,871,983,793,924.13/1,625,927.91 - Step 6: Final answer
x = 1,766,366.01
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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.