Finding the Fourth Proportional to 2,163,169.35, 2,984,271.68 and 1,245,178.83
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Solution
The fourth proportional to 2,163,169.35, 2,984,271.68 and 1,245,178.83 is: 1,717,827.56
Step by Step Solution
- Step 1: Write the proportion equation
2,163,169.35 : 2,984,271.68 = 1,245,178.83 : x - Step 2: Convert to fraction form
2,163,169.35/2,984,271.68 = 1,245,178.83/x - Step 3: Cross multiply
2,163,169.35x = 2,984,271.68 × 1,245,178.83 - Step 4: Simplify right side
2,163,169.35x = 3,715,951,918,904.53 - Step 5: Solve for x
x = 3,715,951,918,904.53/2,163,169.35 - Step 6: Final answer
x = 1,717,827.56
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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.