Finding the Fourth Proportional to 4,554,322.90, 6,831,484.35 and 1,188,529.90
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Solution
The fourth proportional to 4,554,322.90, 6,831,484.35 and 1,188,529.90 is: 1,782,794.85
Step by Step Solution
- Step 1: Write the proportion equation
4,554,322.90 : 6,831,484.35 = 1,188,529.90 : x - Step 2: Convert to fraction form
4,554,322.90/6,831,484.35 = 1,188,529.90/x - Step 3: Cross multiply
4,554,322.90x = 6,831,484.35 × 1,188,529.90 - Step 4: Simplify right side
4,554,322.90x = 8,119,423,411,357.06 - Step 5: Solve for x
x = 8,119,423,411,357.06/4,554,322.90 - Step 6: Final answer
x = 1,782,794.85
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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.