Finding the Fourth Proportional to 1,625,966.05, 2,243,651.59 and 900,633.81
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Solution
The fourth proportional to 1,625,966.05, 2,243,651.59 and 900,633.81 is: 1,242,774.09
Step by Step Solution
- Step 1: Write the proportion equation
1,625,966.05 : 2,243,651.59 = 900,633.81 : x - Step 2: Convert to fraction form
1,625,966.05/2,243,651.59 = 900,633.81/x - Step 3: Cross multiply
1,625,966.05x = 2,243,651.59 × 900,633.81 - Step 4: Simplify right side
1,625,966.05x = 2,020,708,475,311.09 - Step 5: Solve for x
x = 2,020,708,475,311.09/1,625,966.05 - Step 6: Final answer
x = 1,242,774.09
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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.