Finding the Fourth Proportional to 2,038,906.13, 2,813,693.70 and 1,133,488.13
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Solution
The fourth proportional to 2,038,906.13, 2,813,693.70 and 1,133,488.13 is: 1,564,215.42
Step by Step Solution
- Step 1: Write the proportion equation
2,038,906.13 : 2,813,693.70 = 1,133,488.13 : x - Step 2: Convert to fraction form
2,038,906.13/2,813,693.70 = 1,133,488.13/x - Step 3: Cross multiply
2,038,906.13x = 2,813,693.70 × 1,133,488.13 - Step 4: Simplify right side
2,038,906.13x = 3,189,288,410,405.78 - Step 5: Solve for x
x = 3,189,288,410,405.78/2,038,906.13 - Step 6: Final answer
x = 1,564,215.42
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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.