Finding the Fourth Proportional to 2,149,807.95, 2,966,646.03 and 1,169,751.08
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Solution
The fourth proportional to 2,149,807.95, 2,966,646.03 and 1,169,751.08 is: 1,614,208.10
Step by Step Solution
- Step 1: Write the proportion equation
2,149,807.95 : 2,966,646.03 = 1,169,751.08 : x - Step 2: Convert to fraction form
2,149,807.95/2,966,646.03 = 1,169,751.08/x - Step 3: Cross multiply
2,149,807.95x = 2,966,646.03 × 1,169,751.08 - Step 4: Simplify right side
2,149,807.95x = 3,470,237,400,600.26 - Step 5: Solve for x
x = 3,470,237,400,600.26/2,149,807.95 - Step 6: Final answer
x = 1,614,208.10
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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.