Finding the Fourth Proportional to 3,301,390.77, 4,947,823.97 and 1,478,421
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Solution
The fourth proportional to 3,301,390.77, 4,947,823.97 and 1,478,421 is: 2,215,722.82
Step by Step Solution
- Step 1: Write the proportion equation
3,301,390.77 : 4,947,823.97 = 1,478,421 : x - Step 2: Convert to fraction form
3,301,390.77/4,947,823.97 = 1,478,421/x - Step 3: Cross multiply
3,301,390.77x = 4,947,823.97 × 1,478,421 - Step 4: Simplify right side
3,301,390.77x = 7,314,966,854,159.27 - Step 5: Solve for x
x = 7,314,966,854,159.27/3,301,390.77 - Step 6: Final answer
x = 2,215,722.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.