Finding the Fourth Proportional to 5,425,928.84, 8,142,830.17 and 4,373,675.66
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Solution
The fourth proportional to 5,425,928.84, 8,142,830.17 and 4,373,675.66 is: 6,563,686.91
Step by Step Solution
- Step 1: Write the proportion equation
5,425,928.84 : 8,142,830.17 = 4,373,675.66 : x - Step 2: Convert to fraction form
5,425,928.84/8,142,830.17 = 4,373,675.66/x - Step 3: Cross multiply
5,425,928.84x = 8,142,830.17 × 4,373,675.66 - Step 4: Simplify right side
5,425,928.84x = 35,614,098,127,465.55 - Step 5: Solve for x
x = 35,614,098,127,465.55/5,425,928.84 - Step 6: Final answer
x = 6,563,686.91
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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.