Finding the Fourth Proportional to 1,960,969.84, 2,706,432.96 and 1,197,463.84
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Solution
The fourth proportional to 1,960,969.84, 2,706,432.96 and 1,197,463.84 is: 1,652,679.98
Step by Step Solution
- Step 1: Write the proportion equation
1,960,969.84 : 2,706,432.96 = 1,197,463.84 : x - Step 2: Convert to fraction form
1,960,969.84/2,706,432.96 = 1,197,463.84/x - Step 3: Cross multiply
1,960,969.84x = 2,706,432.96 × 1,197,463.84 - Step 4: Simplify right side
1,960,969.84x = 3,240,855,604,984.17 - Step 5: Solve for x
x = 3,240,855,604,984.17/1,960,969.84 - Step 6: Final answer
x = 1,652,679.98
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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.