Finding the Fourth Proportional to 5,217,675.16, 7,826,554.35 and 2,142,873.82
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Solution
The fourth proportional to 5,217,675.16, 7,826,554.35 and 2,142,873.82 is: 3,214,327.82
Step by Step Solution
- Step 1: Write the proportion equation
5,217,675.16 : 7,826,554.35 = 2,142,873.82 : x - Step 2: Convert to fraction form
5,217,675.16/7,826,554.35 = 2,142,873.82/x - Step 3: Cross multiply
5,217,675.16x = 7,826,554.35 × 2,142,873.82 - Step 4: Simplify right side
5,217,675.16x = 16,771,318,417,422.12 - Step 5: Solve for x
x = 16,771,318,417,422.12/5,217,675.16 - Step 6: Final answer
x = 3,214,327.82
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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.