Finding the Fourth Proportional to 4,090,377.60, 6,136,279.20 and 1,692,907.20
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Solution
The fourth proportional to 4,090,377.60, 6,136,279.20 and 1,692,907.20 is: 2,539,655.81
Step by Step Solution
- Step 1: Write the proportion equation
4,090,377.60 : 6,136,279.20 = 1,692,907.20 : x - Step 2: Convert to fraction form
4,090,377.60/6,136,279.20 = 1,692,907.20/x - Step 3: Cross multiply
4,090,377.60x = 6,136,279.20 × 1,692,907.20 - Step 4: Simplify right side
4,090,377.60x = 10,388,151,238,890.24 - Step 5: Solve for x
x = 10,388,151,238,890.24/4,090,377.60 - Step 6: Final answer
x = 2,539,655.81
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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.