Finding the Fourth Proportional to 4,130,090.88, 5,699,491.20 and 2,319,216
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Solution
The fourth proportional to 4,130,090.88, 5,699,491.20 and 2,319,216 is: 3,200,498.87
Step by Step Solution
- Step 1: Write the proportion equation
4,130,090.88 : 5,699,491.20 = 2,319,216 : x - Step 2: Convert to fraction form
4,130,090.88/5,699,491.20 = 2,319,216/x - Step 3: Cross multiply
4,130,090.88x = 5,699,491.20 × 2,319,216 - Step 4: Simplify right side
4,130,090.88x = 13,218,351,182,899.20 - Step 5: Solve for x
x = 13,218,351,182,899.20/4,130,090.88 - Step 6: Final answer
x = 3,200,498.87
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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.