Finding the Fourth Proportional to 1,621,283.84, 2,432,417.92 and 1,148,883.20
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Solution
The fourth proportional to 1,621,283.84, 2,432,417.92 and 1,148,883.20 is: 1,723,673.56
Step by Step Solution
- Step 1: Write the proportion equation
1,621,283.84 : 2,432,417.92 = 1,148,883.20 : x - Step 2: Convert to fraction form
1,621,283.84/2,432,417.92 = 1,148,883.20/x - Step 3: Cross multiply
1,621,283.84x = 2,432,417.92 × 1,148,883.20 - Step 4: Simplify right side
1,621,283.84x = 2,794,564,083,666.94 - Step 5: Solve for x
x = 2,794,564,083,666.94/1,621,283.84 - Step 6: Final answer
x = 1,723,673.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.