Finding the Fourth Proportional to 6,937,639.16, 9,572,799.98 and 4,357,482.17
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Solution
The fourth proportional to 6,937,639.16, 9,572,799.98 and 4,357,482.17 is: 6,012,608.07
Step by Step Solution
- Step 1: Write the proportion equation
6,937,639.16 : 9,572,799.98 = 4,357,482.17 : x - Step 2: Convert to fraction form
6,937,639.16/9,572,799.98 = 4,357,482.17/x - Step 3: Cross multiply
6,937,639.16x = 9,572,799.98 × 4,357,482.17 - Step 4: Simplify right side
6,937,639.16x = 41,713,305,192,856.06 - Step 5: Solve for x
x = 41,713,305,192,856.06/6,937,639.16 - Step 6: Final answer
x = 6,012,608.07
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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.