Finding the Fourth Proportional to 1,805,963.08, 2,492,133.81 and 1,031,441.66
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Solution
The fourth proportional to 1,805,963.08, 2,492,133.81 and 1,031,441.66 is: 1,423,335.10
Step by Step Solution
- Step 1: Write the proportion equation
1,805,963.08 : 2,492,133.81 = 1,031,441.66 : x - Step 2: Convert to fraction form
1,805,963.08/2,492,133.81 = 1,031,441.66/x - Step 3: Cross multiply
1,805,963.08x = 2,492,133.81 × 1,031,441.66 - Step 4: Simplify right side
1,805,963.08x = 2,570,490,633,928.53 - Step 5: Solve for x
x = 2,570,490,633,928.53/1,805,963.08 - Step 6: Final answer
x = 1,423,335.10
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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.