Finding the Fourth Proportional to 2,518,158.72, 3,774,489.12 and 1,239,646.08
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Solution
The fourth proportional to 2,518,158.72, 3,774,489.12 and 1,239,646.08 is: 1,858,115.85
Step by Step Solution
- Step 1: Write the proportion equation
2,518,158.72 : 3,774,489.12 = 1,239,646.08 : x - Step 2: Convert to fraction form
2,518,158.72/3,774,489.12 = 1,239,646.08/x - Step 3: Cross multiply
2,518,158.72x = 3,774,489.12 × 1,239,646.08 - Step 4: Simplify right side
2,518,158.72x = 4,679,030,641,610.65 - Step 5: Solve for x
x = 4,679,030,641,610.65/2,518,158.72 - Step 6: Final answer
x = 1,858,115.85
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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.