Finding the Fourth Proportional to 1,816,220.07, 2,506,291.07 and 1,000,406.19
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Solution
The fourth proportional to 1,816,220.07, 2,506,291.07 and 1,000,406.19 is: 1,380,509.52
Step by Step Solution
- Step 1: Write the proportion equation
1,816,220.07 : 2,506,291.07 = 1,000,406.19 : x - Step 2: Convert to fraction form
1,816,220.07/2,506,291.07 = 1,000,406.19/x - Step 3: Cross multiply
1,816,220.07x = 2,506,291.07 × 1,000,406.19 - Step 4: Simplify right side
1,816,220.07x = 2,507,309,095,367.69 - Step 5: Solve for x
x = 2,507,309,095,367.69/1,816,220.07 - Step 6: Final answer
x = 1,380,509.52
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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.