Finding the Fourth Proportional to 2,879,816.09, 4,319,972.20 and 749,904.08
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Solution
The fourth proportional to 2,879,816.09, 4,319,972.20 and 749,904.08 is: 1,124,920.72
Step by Step Solution
- Step 1: Write the proportion equation
2,879,816.09 : 4,319,972.20 = 749,904.08 : x - Step 2: Convert to fraction form
2,879,816.09/4,319,972.20 = 749,904.08/x - Step 3: Cross multiply
2,879,816.09x = 4,319,972.20 × 749,904.08 - Step 4: Simplify right side
2,879,816.09x = 3,239,564,778,266.58 - Step 5: Solve for x
x = 3,239,564,778,266.58/2,879,816.09 - Step 6: Final answer
x = 1,124,920.72
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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.