Finding the Fourth Proportional to 5,542,781.60, 8,316,937.20 and 3,148,464.80
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Solution
The fourth proportional to 5,542,781.60, 8,316,937.20 and 3,148,464.80 is: 4,724,267.69
Step by Step Solution
- Step 1: Write the proportion equation
5,542,781.60 : 8,316,937.20 = 3,148,464.80 : x - Step 2: Convert to fraction form
5,542,781.60/8,316,937.20 = 3,148,464.80/x - Step 3: Cross multiply
5,542,781.60x = 8,316,937.20 × 3,148,464.80 - Step 4: Simplify right side
5,542,781.60x = 26,185,584,018,010.56 - Step 5: Solve for x
x = 26,185,584,018,010.56/5,542,781.60 - Step 6: Final answer
x = 4,724,267.69
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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.