Finding the Fourth Proportional to 1,625,248.14, 2,243,215.62 and 1,081,406.76
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Solution
The fourth proportional to 1,625,248.14, 2,243,215.62 and 1,081,406.76 is: 1,492,589.64
Step by Step Solution
- Step 1: Write the proportion equation
1,625,248.14 : 2,243,215.62 = 1,081,406.76 : x - Step 2: Convert to fraction form
1,625,248.14/2,243,215.62 = 1,081,406.76/x - Step 3: Cross multiply
1,625,248.14x = 2,243,215.62 × 1,081,406.76 - Step 4: Simplify right side
1,625,248.14x = 2,425,828,535,605.59 - Step 5: Solve for x
x = 2,425,828,535,605.59/1,625,248.14 - Step 6: Final answer
x = 1,492,589.64
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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.