Finding the Fourth Proportional to 2,267,971.84, 3,129,803.52 and 1,249,377.28
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Solution
The fourth proportional to 2,267,971.84, 3,129,803.52 and 1,249,377.28 is: 1,724,141.96
Step by Step Solution
- Step 1: Write the proportion equation
2,267,971.84 : 3,129,803.52 = 1,249,377.28 : x - Step 2: Convert to fraction form
2,267,971.84/3,129,803.52 = 1,249,377.28/x - Step 3: Cross multiply
2,267,971.84x = 3,129,803.52 × 1,249,377.28 - Step 4: Simplify right side
2,267,971.84x = 3,910,305,408,752.03 - Step 5: Solve for x
x = 3,910,305,408,752.03/2,267,971.84 - Step 6: Final answer
x = 1,724,141.96
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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.