Finding the Fourth Proportional to 2,839,756.26, 3,918,848.01 and 1,550,587.47
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Solution
The fourth proportional to 2,839,756.26, 3,918,848.01 and 1,550,587.47 is: 2,139,802.17
Step by Step Solution
- Step 1: Write the proportion equation
2,839,756.26 : 3,918,848.01 = 1,550,587.47 : x - Step 2: Convert to fraction form
2,839,756.26/3,918,848.01 = 1,550,587.47/x - Step 3: Cross multiply
2,839,756.26x = 3,918,848.01 × 1,550,587.47 - Step 4: Simplify right side
2,839,756.26x = 6,076,516,621,140.44 - Step 5: Solve for x
x = 6,076,516,621,140.44/2,839,756.26 - Step 6: Final answer
x = 2,139,802.17
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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.