Finding the Fourth Proportional to 1,975,976.58, 2,725,343.12 and 1,700,802.75
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Solution
The fourth proportional to 1,975,976.58, 2,725,343.12 and 1,700,802.75 is: 2,345,812.76
Step by Step Solution
- Step 1: Write the proportion equation
1,975,976.58 : 2,725,343.12 = 1,700,802.75 : x - Step 2: Convert to fraction form
1,975,976.58/2,725,343.12 = 1,700,802.75/x - Step 3: Cross multiply
1,975,976.58x = 2,725,343.12 × 1,700,802.75 - Step 4: Simplify right side
1,975,976.58x = 4,635,271,077,441.59 - Step 5: Solve for x
x = 4,635,271,077,441.59/1,975,976.58 - Step 6: Final answer
x = 2,345,812.76
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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.