Finding the Fourth Proportional to 1,679,290.68, 2,317,420.98 and 915,349.44
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Solution
The fourth proportional to 1,679,290.68, 2,317,420.98 and 915,349.44 is: 1,263,182.14
Step by Step Solution
- Step 1: Write the proportion equation
1,679,290.68 : 2,317,420.98 = 915,349.44 : x - Step 2: Convert to fraction form
1,679,290.68/2,317,420.98 = 915,349.44/x - Step 3: Cross multiply
1,679,290.68x = 2,317,420.98 × 915,349.44 - Step 4: Simplify right side
1,679,290.68x = 2,121,249,996,287.25 - Step 5: Solve for x
x = 2,121,249,996,287.25/1,679,290.68 - Step 6: Final answer
x = 1,263,182.14
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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.