Finding the Fourth Proportional to 3,559,408.12, 4,908,047.34 and 2,268,203.32
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Solution
The fourth proportional to 3,559,408.12, 4,908,047.34 and 2,268,203.32 is: 3,127,612.48
Step by Step Solution
- Step 1: Write the proportion equation
3,559,408.12 : 4,908,047.34 = 2,268,203.32 : x - Step 2: Convert to fraction form
3,559,408.12/4,908,047.34 = 2,268,203.32/x - Step 3: Cross multiply
3,559,408.12x = 4,908,047.34 × 2,268,203.32 - Step 4: Simplify right side
3,559,408.12x = 11,132,449,271,305.17 - Step 5: Solve for x
x = 11,132,449,271,305.17/3,559,408.12 - Step 6: Final answer
x = 3,127,612.48
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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.