Finding the Fourth Proportional to 4,947,210.55, 6,827,559.58 and 2,742,765.12
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Solution
The fourth proportional to 4,947,210.55, 6,827,559.58 and 2,742,765.12 is: 3,785,242.63
Step by Step Solution
- Step 1: Write the proportion equation
4,947,210.55 : 6,827,559.58 = 2,742,765.12 : x - Step 2: Convert to fraction form
4,947,210.55/6,827,559.58 = 2,742,765.12/x - Step 3: Cross multiply
4,947,210.55x = 6,827,559.58 × 2,742,765.12 - Step 4: Simplify right side
4,947,210.55x = 18,726,392,257,032.02 - Step 5: Solve for x
x = 18,726,392,257,032.02/4,947,210.55 - Step 6: Final answer
x = 3,785,242.63
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1.5x scale
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.