Finding the Fourth Proportional to 1,590,775.89, 2,386,163.84 and 1,119,564.87
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Solution
The fourth proportional to 1,590,775.89, 2,386,163.84 and 1,119,564.87 is: 1,679,347.31
Step by Step Solution
- Step 1: Write the proportion equation
1,590,775.89 : 2,386,163.84 = 1,119,564.87 : x - Step 2: Convert to fraction form
1,590,775.89/2,386,163.84 = 1,119,564.87/x - Step 3: Cross multiply
1,590,775.89x = 2,386,163.84 × 1,119,564.87 - Step 4: Simplify right side
1,590,775.89x = 2,671,465,203,730.48 - Step 5: Solve for x
x = 2,671,465,203,730.48/1,590,775.89 - Step 6: Final answer
x = 1,679,347.31
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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.