Finding the Fourth Proportional to 4,918,272.24, 6,787,202.31 and 2,742,817.71
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Solution
The fourth proportional to 4,918,272.24, 6,787,202.31 and 2,742,817.71 is: 3,785,080.98
Step by Step Solution
- Step 1: Write the proportion equation
4,918,272.24 : 6,787,202.31 = 2,742,817.71 : x - Step 2: Convert to fraction form
4,918,272.24/6,787,202.31 = 2,742,817.71/x - Step 3: Cross multiply
4,918,272.24x = 6,787,202.31 × 2,742,817.71 - Step 4: Simplify right side
4,918,272.24x = 18,616,058,697,220.91 - Step 5: Solve for x
x = 18,616,058,697,220.91/4,918,272.24 - Step 6: Final answer
x = 3,785,080.98
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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.