Finding the Fourth Proportional to 2,379,004.48, 3,283,029.50 and 1,291,276.28
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Solution
The fourth proportional to 2,379,004.48, 3,283,029.50 and 1,291,276.28 is: 1,781,963.08
Step by Step Solution
- Step 1: Write the proportion equation
2,379,004.48 : 3,283,029.50 = 1,291,276.28 : x - Step 2: Convert to fraction form
2,379,004.48/3,283,029.50 = 1,291,276.28/x - Step 3: Cross multiply
2,379,004.48x = 3,283,029.50 × 1,291,276.28 - Step 4: Simplify right side
2,379,004.48x = 4,239,298,132,536.60 - Step 5: Solve for x
x = 4,239,298,132,536.60/2,379,004.48 - Step 6: Final answer
x = 1,781,963.08
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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.