Finding the Fourth Proportional to 2,271,374.98, 3,134,386.74 and 1,353,583.12
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Solution
The fourth proportional to 2,271,374.98, 3,134,386.74 and 1,353,583.12 is: 1,867,878.72
Step by Step Solution
- Step 1: Write the proportion equation
2,271,374.98 : 3,134,386.74 = 1,353,583.12 : x - Step 2: Convert to fraction form
2,271,374.98/3,134,386.74 = 1,353,583.12/x - Step 3: Cross multiply
2,271,374.98x = 3,134,386.74 × 1,353,583.12 - Step 4: Simplify right side
2,271,374.98x = 4,242,652,982,815.83 - Step 5: Solve for x
x = 4,242,652,982,815.83/2,271,374.98 - Step 6: Final answer
x = 1,867,878.72
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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.