Finding the Fourth Proportional to 3,012,154.76, 4,156,778.58 and 1,654,113.80
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Solution
The fourth proportional to 3,012,154.76, 4,156,778.58 and 1,654,113.80 is: 2,282,679.80
Step by Step Solution
- Step 1: Write the proportion equation
3,012,154.76 : 4,156,778.58 = 1,654,113.80 : x - Step 2: Convert to fraction form
3,012,154.76/4,156,778.58 = 1,654,113.80/x - Step 3: Cross multiply
3,012,154.76x = 4,156,778.58 × 1,654,113.80 - Step 4: Simplify right side
3,012,154.76x = 6,875,784,812,722.40 - Step 5: Solve for x
x = 6,875,784,812,722.40/3,012,154.76 - Step 6: Final answer
x = 2,282,679.80
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1.5x scale
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.