Finding the Fourth Proportional to 1,907,143.56, 2,631,828.99 and 1,035,973.98
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Solution
The fourth proportional to 1,907,143.56, 2,631,828.99 and 1,035,973.98 is: 1,429,628.27
Step by Step Solution
- Step 1: Write the proportion equation
1,907,143.56 : 2,631,828.99 = 1,035,973.98 : x - Step 2: Convert to fraction form
1,907,143.56/2,631,828.99 = 1,035,973.98/x - Step 3: Cross multiply
1,907,143.56x = 2,631,828.99 × 1,035,973.98 - Step 4: Simplify right side
1,907,143.56x = 2,726,506,353,449.68 - Step 5: Solve for x
x = 2,726,506,353,449.68/1,907,143.56 - Step 6: Final answer
x = 1,429,628.27
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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.