Finding the Fourth Proportional to 2,140,258.62, 2,953,478.47 and 1,173,367.74
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Solution
The fourth proportional to 2,140,258.62, 2,953,478.47 and 1,173,367.74 is: 1,619,204.49
Step by Step Solution
- Step 1: Write the proportion equation
2,140,258.62 : 2,953,478.47 = 1,173,367.74 : x - Step 2: Convert to fraction form
2,140,258.62/2,953,478.47 = 1,173,367.74/x - Step 3: Cross multiply
2,140,258.62x = 2,953,478.47 × 1,173,367.74 - Step 4: Simplify right side
2,140,258.62x = 3,465,516,357,482.56 - Step 5: Solve for x
x = 3,465,516,357,482.56/2,140,258.62 - Step 6: Final answer
x = 1,619,204.49
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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.