Finding the Fourth Proportional to 6,476,679.87, 8,934,071.40 and 4,184,840.55
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Solution
The fourth proportional to 6,476,679.87, 8,934,071.40 and 4,184,840.55 is: 5,772,658.99
Step by Step Solution
- Step 1: Write the proportion equation
6,476,679.87 : 8,934,071.40 = 4,184,840.55 : x - Step 2: Convert to fraction form
6,476,679.87/8,934,071.40 = 4,184,840.55/x - Step 3: Cross multiply
6,476,679.87x = 8,934,071.40 × 4,184,840.55 - Step 4: Simplify right side
6,476,679.87x = 37,387,664,271,315.27 - Step 5: Solve for x
x = 37,387,664,271,315.27/6,476,679.87 - Step 6: Final answer
x = 5,772,658.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.