Finding the Fourth Proportional to 4,779,432.21, 7,169,855.67 and 1,539,884.13
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Solution
The fourth proportional to 4,779,432.21, 7,169,855.67 and 1,539,884.13 is: 2,310,054.09
Step by Step Solution
- Step 1: Write the proportion equation
4,779,432.21 : 7,169,855.67 = 1,539,884.13 : x - Step 2: Convert to fraction form
4,779,432.21/7,169,855.67 = 1,539,884.13/x - Step 3: Cross multiply
4,779,432.21x = 7,169,855.67 × 1,539,884.13 - Step 4: Simplify right side
4,779,432.21x = 11,040,746,950,315.68 - Step 5: Solve for x
x = 11,040,746,950,315.68/4,779,432.21 - Step 6: Final answer
x = 2,310,054.09
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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.