Finding the Fourth Proportional to 2,276,056.99, 3,140,921.99 and 1,243,542.59
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Solution
The fourth proportional to 2,276,056.99, 3,140,921.99 and 1,243,542.59 is: 1,716,068.75
Step by Step Solution
- Step 1: Write the proportion equation
2,276,056.99 : 3,140,921.99 = 1,243,542.59 : x - Step 2: Convert to fraction form
2,276,056.99/3,140,921.99 = 1,243,542.59/x - Step 3: Cross multiply
2,276,056.99x = 3,140,921.99 × 1,243,542.59 - Step 4: Simplify right side
2,276,056.99x = 3,905,870,277,507.31 - Step 5: Solve for x
x = 3,905,870,277,507.31/2,276,056.99 - Step 6: Final answer
x = 1,716,068.75
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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.