Finding the Fourth Proportional to 4,809,854.76, 6,637,362.78 and 2,634,407.52
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Solution
The fourth proportional to 4,809,854.76, 6,637,362.78 and 2,634,407.52 is: 3,635,352.69
Step by Step Solution
- Step 1: Write the proportion equation
4,809,854.76 : 6,637,362.78 = 2,634,407.52 : x - Step 2: Convert to fraction form
4,809,854.76/6,637,362.78 = 2,634,407.52/x - Step 3: Cross multiply
4,809,854.76x = 6,637,362.78 × 2,634,407.52 - Step 4: Simplify right side
4,809,854.76x = 17,485,518,420,600.11 - Step 5: Solve for x
x = 17,485,518,420,600.11/4,809,854.76 - Step 6: Final answer
x = 3,635,352.69
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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.