Finding the Fourth Proportional to 2,267,567.70, 3,129,242.91 and 1,248,972.45
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Solution
The fourth proportional to 2,267,567.70, 3,129,242.91 and 1,248,972.45 is: 1,723,581.70
Step by Step Solution
- Step 1: Write the proportion equation
2,267,567.70 : 3,129,242.91 = 1,248,972.45 : x - Step 2: Convert to fraction form
2,267,567.70/3,129,242.91 = 1,248,972.45/x - Step 3: Cross multiply
2,267,567.70x = 3,129,242.91 × 1,248,972.45 - Step 4: Simplify right side
2,267,567.70x = 3,908,338,183,947.83 - Step 5: Solve for x
x = 3,908,338,183,947.83/2,267,567.70 - Step 6: Final answer
x = 1,723,581.70
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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.