Finding the Fourth Proportional to 3,671,550.11, 5,507,325.21 and 1,275,397.05
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Solution
The fourth proportional to 3,671,550.11, 5,507,325.21 and 1,275,397.05 is: 1,913,095.59
Step by Step Solution
- Step 1: Write the proportion equation
3,671,550.11 : 5,507,325.21 = 1,275,397.05 : x - Step 2: Convert to fraction form
3,671,550.11/5,507,325.21 = 1,275,397.05/x - Step 3: Cross multiply
3,671,550.11x = 5,507,325.21 × 1,275,397.05 - Step 4: Simplify right side
3,671,550.11x = 7,024,026,326,224.63 - Step 5: Solve for x
x = 7,024,026,326,224.63/3,671,550.11 - Step 6: Final answer
x = 1,913,095.59
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1.5x scale
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.