Finding the Fourth Proportional to 1,353,922.71, 2,031,190.55 and 455,339.79
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Solution
The fourth proportional to 1,353,922.71, 2,031,190.55 and 455,339.79 is: 683,112.76
Step by Step Solution
- Step 1: Write the proportion equation
1,353,922.71 : 2,031,190.55 = 455,339.79 : x - Step 2: Convert to fraction form
1,353,922.71/2,031,190.55 = 455,339.79/x - Step 3: Cross multiply
1,353,922.71x = 2,031,190.55 × 455,339.79 - Step 4: Simplify right side
1,353,922.71x = 924,881,876,210.29 - Step 5: Solve for x
x = 924,881,876,210.29/1,353,922.71 - Step 6: Final answer
x = 683,112.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.