Finding the Fourth Proportional to 2,390,051.19, 3,294,535.81 and 1,624,776.15
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Solution
The fourth proportional to 2,390,051.19, 3,294,535.81 and 1,624,776.15 is: 2,239,652.12
Step by Step Solution
- Step 1: Write the proportion equation
2,390,051.19 : 3,294,535.81 = 1,624,776.15 : x - Step 2: Convert to fraction form
2,390,051.19/3,294,535.81 = 1,624,776.15/x - Step 3: Cross multiply
2,390,051.19x = 3,294,535.81 × 1,624,776.15 - Step 4: Simplify right side
2,390,051.19x = 5,352,883,209,408.93 - Step 5: Solve for x
x = 5,352,883,209,408.93/2,390,051.19 - Step 6: Final answer
x = 2,239,652.12
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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.