Finding the Fourth Proportional to 2,822,420.84, 3,894,973.90 and 1,533,281.54
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Solution
The fourth proportional to 2,822,420.84, 3,894,973.90 and 1,533,281.54 is: 2,115,946.52
Step by Step Solution
- Step 1: Write the proportion equation
2,822,420.84 : 3,894,973.90 = 1,533,281.54 : x - Step 2: Convert to fraction form
2,822,420.84/3,894,973.90 = 1,533,281.54/x - Step 3: Cross multiply
2,822,420.84x = 3,894,973.90 × 1,533,281.54 - Step 4: Simplify right side
2,822,420.84x = 5,972,091,556,343.73 - Step 5: Solve for x
x = 5,972,091,556,343.73/2,822,420.84 - Step 6: Final answer
x = 2,115,946.52
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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.