Finding the Fourth Proportional to 1,873,120.41, 2,584,914.35 and 1,013,680.76
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Solution
The fourth proportional to 1,873,120.41, 2,584,914.35 and 1,013,680.76 is: 1,398,883.87
Step by Step Solution
- Step 1: Write the proportion equation
1,873,120.41 : 2,584,914.35 = 1,013,680.76 : x - Step 2: Convert to fraction form
1,873,120.41/2,584,914.35 = 1,013,680.76/x - Step 3: Cross multiply
1,873,120.41x = 2,584,914.35 × 1,013,680.76 - Step 4: Simplify right side
1,873,120.41x = 2,620,277,924,849.93 - Step 5: Solve for x
x = 2,620,277,924,849.93/1,873,120.41 - Step 6: Final answer
x = 1,398,883.87
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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.