Finding the Fourth Proportional to 2,119,405.12, 2,924,855.84 and 1,214,162.08
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Solution
The fourth proportional to 2,119,405.12, 2,924,855.84 and 1,214,162.08 is: 1,675,587.65
Step by Step Solution
- Step 1: Write the proportion equation
2,119,405.12 : 2,924,855.84 = 1,214,162.08 : x - Step 2: Convert to fraction form
2,119,405.12/2,924,855.84 = 1,214,162.08/x - Step 3: Cross multiply
2,119,405.12x = 2,924,855.84 × 1,214,162.08 - Step 4: Simplify right side
2,119,405.12x = 3,551,249,050,394.55 - Step 5: Solve for x
x = 3,551,249,050,394.55/2,119,405.12 - Step 6: Final answer
x = 1,675,587.65
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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.