Finding the Fourth Proportional to 3,031,281.09, 4,176,062.12 and 2,111,847.17
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Solution
The fourth proportional to 3,031,281.09, 4,176,062.12 and 2,111,847.17 is: 2,909,398.59
Step by Step Solution
- Step 1: Write the proportion equation
3,031,281.09 : 4,176,062.12 = 2,111,847.17 : x - Step 2: Convert to fraction form
3,031,281.09/4,176,062.12 = 2,111,847.17/x - Step 3: Cross multiply
3,031,281.09x = 4,176,062.12 × 2,111,847.17 - Step 4: Simplify right side
3,031,281.09x = 8,819,204,938,426.65 - Step 5: Solve for x
x = 8,819,204,938,426.65/3,031,281.09 - Step 6: Final answer
x = 2,909,398.59
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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.