Finding the Fourth Proportional to 1,959,963.15, 2,698,492.56 and 1,672,328.91
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Solution
The fourth proportional to 1,959,963.15, 2,698,492.56 and 1,672,328.91 is: 2,302,475.49
Step by Step Solution
- Step 1: Write the proportion equation
1,959,963.15 : 2,698,492.56 = 1,672,328.91 : x - Step 2: Convert to fraction form
1,959,963.15/2,698,492.56 = 1,672,328.91/x - Step 3: Cross multiply
1,959,963.15x = 2,698,492.56 × 1,672,328.91 - Step 4: Simplify right side
1,959,963.15x = 4,512,767,121,507.91 - Step 5: Solve for x
x = 4,512,767,121,507.91/1,959,963.15 - Step 6: Final answer
x = 2,302,475.49
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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.