Finding the Fourth Proportional to 2,177,259.70, 3,004,720.95 and 1,210,406.13
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Solution
The fourth proportional to 2,177,259.70, 3,004,720.95 and 1,210,406.13 is: 1,670,417.48
Step by Step Solution
- Step 1: Write the proportion equation
2,177,259.70 : 3,004,720.95 = 1,210,406.13 : x - Step 2: Convert to fraction form
2,177,259.70/3,004,720.95 = 1,210,406.13/x - Step 3: Cross multiply
2,177,259.70x = 3,004,720.95 × 1,210,406.13 - Step 4: Simplify right side
2,177,259.70x = 3,636,932,656,819.42 - Step 5: Solve for x
x = 3,636,932,656,819.42/2,177,259.70 - Step 6: Final answer
x = 1,670,417.48
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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.