Finding the Fourth Proportional to 2,549,717.34, 3,518,479.35 and 1,403,576.70
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Solution
The fourth proportional to 2,549,717.34, 3,518,479.35 and 1,403,576.70 is: 1,936,863.96
Step by Step Solution
- Step 1: Write the proportion equation
2,549,717.34 : 3,518,479.35 = 1,403,576.70 : x - Step 2: Convert to fraction form
2,549,717.34/3,518,479.35 = 1,403,576.70/x - Step 3: Cross multiply
2,549,717.34x = 3,518,479.35 × 1,403,576.70 - Step 4: Simplify right side
2,549,717.34x = 4,938,455,635,091.14 - Step 5: Solve for x
x = 4,938,455,635,091.14/2,549,717.34 - Step 6: Final answer
x = 1,936,863.96
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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.