Finding the Fourth Proportional to 1,570,031.19, 2,166,634.85 and 881,732.07
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Solution
The fourth proportional to 1,570,031.19, 2,166,634.85 and 881,732.07 is: 1,216,785.65
Step by Step Solution
- Step 1: Write the proportion equation
1,570,031.19 : 2,166,634.85 = 881,732.07 : x - Step 2: Convert to fraction form
1,570,031.19/2,166,634.85 = 881,732.07/x - Step 3: Cross multiply
1,570,031.19x = 2,166,634.85 × 881,732.07 - Step 4: Simplify right side
1,570,031.19x = 1,910,391,426,815.98 - Step 5: Solve for x
x = 1,910,391,426,815.98/1,570,031.19 - Step 6: Final answer
x = 1,216,785.65
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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.