Finding the Fourth Proportional to 2,518,344.84, 3,778,632.24 and 1,319,982.24
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Solution
The fourth proportional to 2,518,344.84, 3,778,632.24 and 1,319,982.24 is: 1,980,557.77
Step by Step Solution
- Step 1: Write the proportion equation
2,518,344.84 : 3,778,632.24 = 1,319,982.24 : x - Step 2: Convert to fraction form
2,518,344.84/3,778,632.24 = 1,319,982.24/x - Step 3: Cross multiply
2,518,344.84x = 3,778,632.24 × 1,319,982.24 - Step 4: Simplify right side
2,518,344.84x = 4,987,727,448,291.42 - Step 5: Solve for x
x = 4,987,727,448,291.42/2,518,344.84 - Step 6: Final answer
x = 1,980,557.77
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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.