Finding the Fourth Proportional to 5,135,598.50, 7,087,038.36 and 2,843,709.98
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Solution
The fourth proportional to 5,135,598.50, 7,087,038.36 and 2,843,709.98 is: 3,924,271.28
Step by Step Solution
- Step 1: Write the proportion equation
5,135,598.50 : 7,087,038.36 = 2,843,709.98 : x - Step 2: Convert to fraction form
5,135,598.50/7,087,038.36 = 2,843,709.98/x - Step 3: Cross multiply
5,135,598.50x = 7,087,038.36 × 2,843,709.98 - Step 4: Simplify right side
5,135,598.50x = 20,153,481,712,974.83 - Step 5: Solve for x
x = 20,153,481,712,974.83/5,135,598.50 - Step 6: Final answer
x = 3,924,271.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.