Finding the Fourth Proportional to 5,576,847.80, 8,365,098.90 and 1,587,759.80
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Solution
The fourth proportional to 5,576,847.80, 8,365,098.90 and 1,587,759.80 is: 2,381,590.50
Step by Step Solution
- Step 1: Write the proportion equation
5,576,847.80 : 8,365,098.90 = 1,587,759.80 : x - Step 2: Convert to fraction form
5,576,847.80/8,365,098.90 = 1,587,759.80/x - Step 3: Cross multiply
5,576,847.80x = 8,365,098.90 × 1,587,759.80 - Step 4: Simplify right side
5,576,847.80x = 13,281,767,756,444.22 - Step 5: Solve for x
x = 13,281,767,756,444.22/5,576,847.80 - Step 6: Final answer
x = 2,381,590.50
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1.5x scale
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.