Finding the Fourth Proportional to 2,854,854.96, 3,939,424.20 and 1,708,910.64
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Solution
The fourth proportional to 2,854,854.96, 3,939,424.20 and 1,708,910.64 is: 2,358,131.68
Step by Step Solution
- Step 1: Write the proportion equation
2,854,854.96 : 3,939,424.20 = 1,708,910.64 : x - Step 2: Convert to fraction form
2,854,854.96/3,939,424.20 = 1,708,910.64/x - Step 3: Cross multiply
2,854,854.96x = 3,939,424.20 × 1,708,910.64 - Step 4: Simplify right side
2,854,854.96x = 6,732,123,930,853.49 - Step 5: Solve for x
x = 6,732,123,930,853.49/2,854,854.96 - Step 6: Final answer
x = 2,358,131.68
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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.