Finding the Fourth Proportional to 3,195,482.77, 4,409,875.05 and 1,889,854.03
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Solution
The fourth proportional to 3,195,482.77, 4,409,875.05 and 1,889,854.03 is: 2,608,062.92
Step by Step Solution
- Step 1: Write the proportion equation
3,195,482.77 : 4,409,875.05 = 1,889,854.03 : x - Step 2: Convert to fraction form
3,195,482.77/4,409,875.05 = 1,889,854.03/x - Step 3: Cross multiply
3,195,482.77x = 4,409,875.05 × 1,889,854.03 - Step 4: Simplify right side
3,195,482.77x = 8,334,020,135,038.95 - Step 5: Solve for x
x = 8,334,020,135,038.95/3,195,482.77 - Step 6: Final answer
x = 2,608,062.92
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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.