Finding the Fourth Proportional to 5,232,865.14, 7,221,185.64 and 2,909,746.26
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Solution
The fourth proportional to 5,232,865.14, 7,221,185.64 and 2,909,746.26 is: 4,015,356.28
Step by Step Solution
- Step 1: Write the proportion equation
5,232,865.14 : 7,221,185.64 = 2,909,746.26 : x - Step 2: Convert to fraction form
5,232,865.14/7,221,185.64 = 2,909,746.26/x - Step 3: Cross multiply
5,232,865.14x = 7,221,185.64 × 2,909,746.26 - Step 4: Simplify right side
5,232,865.14x = 21,011,817,908,755.70 - Step 5: Solve for x
x = 21,011,817,908,755.70/5,232,865.14 - Step 6: Final answer
x = 4,015,356.28
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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.