Finding the Fourth Proportional to 2,790,698.08, 4,185,281.40 and 768,467.20
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Solution
The fourth proportional to 2,790,698.08, 4,185,281.40 and 768,467.20 is: 1,152,489.95
Step by Step Solution
- Step 1: Write the proportion equation
2,790,698.08 : 4,185,281.40 = 768,467.20 : x - Step 2: Convert to fraction form
2,790,698.08/4,185,281.40 = 768,467.20/x - Step 3: Cross multiply
2,790,698.08x = 4,185,281.40 × 768,467.20 - Step 4: Simplify right side
2,790,698.08x = 3,216,251,478,670.08 - Step 5: Solve for x
x = 3,216,251,478,670.08/2,790,698.08 - Step 6: Final answer
x = 1,152,489.95
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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.