Finding the Fourth Proportional to 1,664,987.42, 2,297,689.88 and 901,041.05
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Solution
The fourth proportional to 1,664,987.42, 2,297,689.88 and 901,041.05 is: 1,243,440.57
Step by Step Solution
- Step 1: Write the proportion equation
1,664,987.42 : 2,297,689.88 = 901,041.05 : x - Step 2: Convert to fraction form
1,664,987.42/2,297,689.88 = 901,041.05/x - Step 3: Cross multiply
1,664,987.42x = 2,297,689.88 × 901,041.05 - Step 4: Simplify right side
1,664,987.42x = 2,070,312,902,049.57 - Step 5: Solve for x
x = 2,070,312,902,049.57/1,664,987.42 - Step 6: Final answer
x = 1,243,440.57
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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.