Finding the Fourth Proportional to 4,299,139, 6,448,763.85 and 1,265,815.18
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Solution
The fourth proportional to 4,299,139, 6,448,763.85 and 1,265,815.18 is: 1,898,739.07
Step by Step Solution
- Step 1: Write the proportion equation
4,299,139 : 6,448,763.85 = 1,265,815.18 : x - Step 2: Convert to fraction form
4,299,139/6,448,763.85 = 1,265,815.18/x - Step 3: Cross multiply
4,299,139x = 6,448,763.85 × 1,265,815.18 - Step 4: Simplify right side
4,299,139x = 8,162,943,173,565.24 - Step 5: Solve for x
x = 8,162,943,173,565.24/4,299,139 - Step 6: Final answer
x = 1,898,739.07
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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.