Finding the Fourth Proportional to 6,480,860.74, 8,943,559.77 and 3,580,251.46
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Solution
The fourth proportional to 6,480,860.74, 8,943,559.77 and 3,580,251.46 is: 4,940,731.52
Step by Step Solution
- Step 1: Write the proportion equation
6,480,860.74 : 8,943,559.77 = 3,580,251.46 : x - Step 2: Convert to fraction form
6,480,860.74/8,943,559.77 = 3,580,251.46/x - Step 3: Cross multiply
6,480,860.74x = 8,943,559.77 × 3,580,251.46 - Step 4: Simplify right side
6,480,860.74x = 32,020,192,924,139.76 - Step 5: Solve for x
x = 32,020,192,924,139.76/6,480,860.74 - Step 6: Final answer
x = 4,940,731.52
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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.