Finding the Fourth Proportional to 2,013,106.75, 2,778,087.32 and 1,107,688.75
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Solution
The fourth proportional to 2,013,106.75, 2,778,087.32 and 1,107,688.75 is: 1,528,610.48
Step by Step Solution
- Step 1: Write the proportion equation
2,013,106.75 : 2,778,087.32 = 1,107,688.75 : x - Step 2: Convert to fraction form
2,013,106.75/2,778,087.32 = 1,107,688.75/x - Step 3: Cross multiply
2,013,106.75x = 2,778,087.32 × 1,107,688.75 - Step 4: Simplify right side
2,013,106.75x = 3,077,256,070,881.65 - Step 5: Solve for x
x = 3,077,256,070,881.65/2,013,106.75 - Step 6: Final answer
x = 1,528,610.48
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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.