Finding the Fourth Proportional to 1,420,084.99, 1,958,387.03 and 1,130,651.99
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Solution
The fourth proportional to 1,420,084.99, 1,958,387.03 and 1,130,651.99 is: 1,559,240.61
Step by Step Solution
- Step 1: Write the proportion equation
1,420,084.99 : 1,958,387.03 = 1,130,651.99 : x - Step 2: Convert to fraction form
1,420,084.99/1,958,387.03 = 1,130,651.99/x - Step 3: Cross multiply
1,420,084.99x = 1,958,387.03 × 1,130,651.99 - Step 4: Simplify right side
1,420,084.99x = 2,214,254,182,867.76 - Step 5: Solve for x
x = 2,214,254,182,867.76/1,420,084.99 - Step 6: Final answer
x = 1,559,240.61
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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.