Finding the Fourth Proportional to 3,657,780.29, 5,464,423.31 and 2,367,879.48
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Solution
The fourth proportional to 3,657,780.29, 5,464,423.31 and 2,367,879.48 is: 3,537,417.45
Step by Step Solution
- Step 1: Write the proportion equation
3,657,780.29 : 5,464,423.31 = 2,367,879.48 : x - Step 2: Convert to fraction form
3,657,780.29/5,464,423.31 = 2,367,879.48/x - Step 3: Cross multiply
3,657,780.29x = 5,464,423.31 × 2,367,879.48 - Step 4: Simplify right side
3,657,780.29x = 12,939,095,825,782.68 - Step 5: Solve for x
x = 12,939,095,825,782.68/3,657,780.29 - Step 6: Final answer
x = 3,537,417.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.