Finding the Fourth Proportional to 2,671,565.65, 3,686,945.07 and 1,625,395.12
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Solution
The fourth proportional to 2,671,565.65, 3,686,945.07 and 1,625,395.12 is: 2,243,157.50
Step by Step Solution
- Step 1: Write the proportion equation
2,671,565.65 : 3,686,945.07 = 1,625,395.12 : x - Step 2: Convert to fraction form
2,671,565.65/3,686,945.07 = 1,625,395.12/x - Step 3: Cross multiply
2,671,565.65x = 3,686,945.07 × 1,625,395.12 - Step 4: Simplify right side
2,671,565.65x = 5,992,742,524,486.06 - Step 5: Solve for x
x = 5,992,742,524,486.06/2,671,565.65 - Step 6: Final answer
x = 2,243,157.50
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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.