Finding the Fourth Proportional to 5,331,685.66, 7,357,710 and 2,884,295.96
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Solution
The fourth proportional to 5,331,685.66, 7,357,710 and 2,884,295.96 is: 3,980,319.66
Step by Step Solution
- Step 1: Write the proportion equation
5,331,685.66 : 7,357,710 = 2,884,295.96 : x - Step 2: Convert to fraction form
5,331,685.66/7,357,710 = 2,884,295.96/x - Step 3: Cross multiply
5,331,685.66x = 7,357,710 × 2,884,295.96 - Step 4: Simplify right side
5,331,685.66x = 21,221,813,227,851.60 - Step 5: Solve for x
x = 21,221,813,227,851.60/5,331,685.66 - Step 6: Final answer
x = 3,980,319.66
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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.