Finding the Fourth Proportional to 2,175,708.30, 3,002,847.35 and 1,258,495.08
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Solution
The fourth proportional to 2,175,708.30, 3,002,847.35 and 1,258,495.08 is: 1,736,937.17
Step by Step Solution
- Step 1: Write the proportion equation
2,175,708.30 : 3,002,847.35 = 1,258,495.08 : x - Step 2: Convert to fraction form
2,175,708.30/3,002,847.35 = 1,258,495.08/x - Step 3: Cross multiply
2,175,708.30x = 3,002,847.35 × 1,258,495.08 - Step 4: Simplify right side
2,175,708.30x = 3,779,068,609,673.56 - Step 5: Solve for x
x = 3,779,068,609,673.56/2,175,708.30 - Step 6: Final answer
x = 1,736,937.17
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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.