Finding the Fourth Proportional to 2,502,746.12, 3,451,955.16 and 1,642,992.68
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Solution
The fourth proportional to 2,502,746.12, 3,451,955.16 and 1,642,992.68 is: 2,266,125.60
Step by Step Solution
- Step 1: Write the proportion equation
2,502,746.12 : 3,451,955.16 = 1,642,992.68 : x - Step 2: Convert to fraction form
2,502,746.12/3,451,955.16 = 1,642,992.68/x - Step 3: Cross multiply
2,502,746.12x = 3,451,955.16 × 1,642,992.68 - Step 4: Simplify right side
2,502,746.12x = 5,671,537,059,568.23 - Step 5: Solve for x
x = 5,671,537,059,568.23/2,502,746.12 - Step 6: Final answer
x = 2,266,125.60
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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.