Finding the Fourth Proportional to 5,455,381.98, 8,182,776.37 and 1,668,864.86
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Solution
The fourth proportional to 5,455,381.98, 8,182,776.37 and 1,668,864.86 is: 2,503,206.56
Step by Step Solution
- Step 1: Write the proportion equation
5,455,381.98 : 8,182,776.37 = 1,668,864.86 : x - Step 2: Convert to fraction form
5,455,381.98/8,182,776.37 = 1,668,864.86/x - Step 3: Cross multiply
5,455,381.98x = 8,182,776.37 × 1,668,864.86 - Step 4: Simplify right side
5,455,381.98x = 13,655,947,941,131.36 - Step 5: Solve for x
x = 13,655,947,941,131.36/5,455,381.98 - Step 6: Final answer
x = 2,503,206.56
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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.