Finding the Fourth Proportional to 2,122,580.04, 2,930,980.86 and 2,053,946.58
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Solution
The fourth proportional to 2,122,580.04, 2,930,980.86 and 2,053,946.58 is: 2,836,207.82
Step by Step Solution
- Step 1: Write the proportion equation
2,122,580.04 : 2,930,980.86 = 2,053,946.58 : x - Step 2: Convert to fraction form
2,122,580.04/2,930,980.86 = 2,053,946.58/x - Step 3: Cross multiply
2,122,580.04x = 2,930,980.86 × 2,053,946.58 - Step 4: Simplify right side
2,122,580.04x = 6,020,078,113,442.46 - Step 5: Solve for x
x = 6,020,078,113,442.46/2,122,580.04 - Step 6: Final answer
x = 2,836,207.82
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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.