Finding the Fourth Proportional to 3,768,051.90, 5,652,423.45 and 1,243,712.70
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Solution
The fourth proportional to 3,768,051.90, 5,652,423.45 and 1,243,712.70 is: 1,865,683.12
Step by Step Solution
- Step 1: Write the proportion equation
3,768,051.90 : 5,652,423.45 = 1,243,712.70 : x - Step 2: Convert to fraction form
3,768,051.90/5,652,423.45 = 1,243,712.70/x - Step 3: Cross multiply
3,768,051.90x = 5,652,423.45 × 1,243,712.70 - Step 4: Simplify right side
3,768,051.90x = 7,029,990,830,542.82 - Step 5: Solve for x
x = 7,029,990,830,542.82/3,768,051.90 - Step 6: Final answer
x = 1,865,683.12
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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.