Finding the Fourth Proportional to 2,142,877.76, 2,957,162.04 and 1,176,023.68
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Solution
The fourth proportional to 2,142,877.76, 2,957,162.04 and 1,176,023.68 is: 1,622,907.59
Step by Step Solution
- Step 1: Write the proportion equation
2,142,877.76 : 2,957,162.04 = 1,176,023.68 : x - Step 2: Convert to fraction form
2,142,877.76/2,957,162.04 = 1,176,023.68/x - Step 3: Cross multiply
2,142,877.76x = 2,957,162.04 × 1,176,023.68 - Step 4: Simplify right side
2,142,877.76x = 3,477,692,584,637.11 - Step 5: Solve for x
x = 3,477,692,584,637.11/2,142,877.76 - Step 6: Final answer
x = 1,622,907.59
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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.