Finding the Fourth Proportional to 2,854,856.88, 3,939,815.88 and 1,565,743.68
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Solution
The fourth proportional to 2,854,856.88, 3,939,815.88 and 1,565,743.68 is: 2,160,788.46
Step by Step Solution
- Step 1: Write the proportion equation
2,854,856.88 : 3,939,815.88 = 1,565,743.68 : x - Step 2: Convert to fraction form
2,854,856.88/3,939,815.88 = 1,565,743.68/x - Step 3: Cross multiply
2,854,856.88x = 3,939,815.88 × 1,565,743.68 - Step 4: Simplify right side
2,854,856.88x = 6,168,741,814,473.64 - Step 5: Solve for x
x = 6,168,741,814,473.64/2,854,856.88 - Step 6: Final answer
x = 2,160,788.46
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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.