Finding the Fourth Proportional to 4,199,510.70, 6,299,266.05 and 2,855,817.90
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Solution
The fourth proportional to 4,199,510.70, 6,299,266.05 and 2,855,817.90 is: 4,283,726.85
Step by Step Solution
- Step 1: Write the proportion equation
4,199,510.70 : 6,299,266.05 = 2,855,817.90 : x - Step 2: Convert to fraction form
4,199,510.70/6,299,266.05 = 2,855,817.90/x - Step 3: Cross multiply
4,199,510.70x = 6,299,266.05 × 2,855,817.90 - Step 4: Simplify right side
4,199,510.70x = 17,989,556,742,452.29 - Step 5: Solve for x
x = 17,989,556,742,452.29/4,199,510.70 - Step 6: Final answer
x = 4,283,726.85
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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.