Finding the Fourth Proportional to 4,122,089.68, 6,184,181.04 and 1,282,223.20
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Solution
The fourth proportional to 4,122,089.68, 6,184,181.04 and 1,282,223.20 is: 1,923,660.33
Step by Step Solution
- Step 1: Write the proportion equation
4,122,089.68 : 6,184,181.04 = 1,282,223.20 : x - Step 2: Convert to fraction form
4,122,089.68/6,184,181.04 = 1,282,223.20/x - Step 3: Cross multiply
4,122,089.68x = 6,184,181.04 × 1,282,223.20 - Step 4: Simplify right side
4,122,089.68x = 7,929,500,402,488.13 - Step 5: Solve for x
x = 7,929,500,402,488.13/4,122,089.68 - Step 6: Final answer
x = 1,923,660.33
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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.