Finding the Fourth Proportional to 5,390,473.80, 8,085,710.70 and 3,973,297.80
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Solution
The fourth proportional to 5,390,473.80, 8,085,710.70 and 3,973,297.80 is: 5,959,946.70
Step by Step Solution
- Step 1: Write the proportion equation
5,390,473.80 : 8,085,710.70 = 3,973,297.80 : x - Step 2: Convert to fraction form
5,390,473.80/8,085,710.70 = 3,973,297.80/x - Step 3: Cross multiply
5,390,473.80x = 8,085,710.70 × 3,973,297.80 - Step 4: Simplify right side
5,390,473.80x = 32,126,936,535,746.46 - Step 5: Solve for x
x = 32,126,936,535,746.46/5,390,473.80 - Step 6: Final answer
x = 5,959,946.70
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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.