Finding the Fourth Proportional to 3,518,337.68, 4,855,763.92 and 1,970,188.88
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Solution
The fourth proportional to 3,518,337.68, 4,855,763.92 and 1,970,188.88 is: 2,719,117.08
Step by Step Solution
- Step 1: Write the proportion equation
3,518,337.68 : 4,855,763.92 = 1,970,188.88 : x - Step 2: Convert to fraction form
3,518,337.68/4,855,763.92 = 1,970,188.88/x - Step 3: Cross multiply
3,518,337.68x = 4,855,763.92 × 1,970,188.88 - Step 4: Simplify right side
3,518,337.68x = 9,566,772,079,089.21 - Step 5: Solve for x
x = 9,566,772,079,089.21/3,518,337.68 - Step 6: Final answer
x = 2,719,117.08
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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.