Finding the Fourth Proportional to 4,879,995.90, 7,318,594.17 and 1,887,480.06
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Solution
The fourth proportional to 4,879,995.90, 7,318,594.17 and 1,887,480.06 is: 2,830,678.72
Step by Step Solution
- Step 1: Write the proportion equation
4,879,995.90 : 7,318,594.17 = 1,887,480.06 : x - Step 2: Convert to fraction form
4,879,995.90/7,318,594.17 = 1,887,480.06/x - Step 3: Cross multiply
4,879,995.90x = 7,318,594.17 × 1,887,480.06 - Step 4: Simplify right side
4,879,995.90x = 13,813,700,563,107.25 - Step 5: Solve for x
x = 13,813,700,563,107.25/4,879,995.90 - Step 6: Final answer
x = 2,830,678.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.