Finding the Fourth Proportional to 4,271,952.13, 6,408,978.15 and 1,280,136.13
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Solution
The fourth proportional to 4,271,952.13, 6,408,978.15 and 1,280,136.13 is: 1,920,518.83
Step by Step Solution
- Step 1: Write the proportion equation
4,271,952.13 : 6,408,978.15 = 1,280,136.13 : x - Step 2: Convert to fraction form
4,271,952.13/6,408,978.15 = 1,280,136.13/x - Step 3: Cross multiply
4,271,952.13x = 6,408,978.15 × 1,280,136.13 - Step 4: Simplify right side
4,271,952.13x = 8,204,364,486,195.56 - Step 5: Solve for x
x = 8,204,364,486,195.56/4,271,952.13 - Step 6: Final answer
x = 1,920,518.83
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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.