Finding the Fourth Proportional to 2,640,341.96, 3,959,878.80 and 1,219,032.44
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Solution
The fourth proportional to 2,640,341.96, 3,959,878.80 and 1,219,032.44 is: 1,828,255.88
Step by Step Solution
- Step 1: Write the proportion equation
2,640,341.96 : 3,959,878.80 = 1,219,032.44 : x - Step 2: Convert to fraction form
2,640,341.96/3,959,878.80 = 1,219,032.44/x - Step 3: Cross multiply
2,640,341.96x = 3,959,878.80 × 1,219,032.44 - Step 4: Simplify right side
2,640,341.96x = 4,827,220,715,668.27 - Step 5: Solve for x
x = 4,827,220,715,668.27/2,640,341.96 - Step 6: Final answer
x = 1,828,255.88
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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.