Finding the Fourth Proportional to 5,257,132.76, 7,254,838.14 and 2,842,679
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Solution
The fourth proportional to 5,257,132.76, 7,254,838.14 and 2,842,679 is: 3,922,894.28
Step by Step Solution
- Step 1: Write the proportion equation
5,257,132.76 : 7,254,838.14 = 2,842,679 : x - Step 2: Convert to fraction form
5,257,132.76/7,254,838.14 = 2,842,679/x - Step 3: Cross multiply
5,257,132.76x = 7,254,838.14 × 2,842,679 - Step 4: Simplify right side
5,257,132.76x = 20,623,176,028,977.06 - Step 5: Solve for x
x = 20,623,176,028,977.06/5,257,132.76 - Step 6: Final answer
x = 3,922,894.28
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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.