Finding the Fourth Proportional to 5,779,254.20, 8,656,439.70 and 4,783,926.20
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Solution
The fourth proportional to 5,779,254.20, 8,656,439.70 and 4,783,926.20 is: 7,165,590.45
Step by Step Solution
- Step 1: Write the proportion equation
5,779,254.20 : 8,656,439.70 = 4,783,926.20 : x - Step 2: Convert to fraction form
5,779,254.20/8,656,439.70 = 4,783,926.20/x - Step 3: Cross multiply
5,779,254.20x = 8,656,439.70 × 4,783,926.20 - Step 4: Simplify right side
5,779,254.20x = 41,411,768,679,550.14 - Step 5: Solve for x
x = 41,411,768,679,550.14/5,779,254.20 - Step 6: Final answer
x = 7,165,590.45
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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.