Finding the Fourth Proportional to 1,628,283.05, 2,442,643.28 and 617,779.70
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Solution
The fourth proportional to 1,628,283.05, 2,442,643.28 and 617,779.70 is: 926,752.52
Step by Step Solution
- Step 1: Write the proportion equation
1,628,283.05 : 2,442,643.28 = 617,779.70 : x - Step 2: Convert to fraction form
1,628,283.05/2,442,643.28 = 617,779.70/x - Step 3: Cross multiply
1,628,283.05x = 2,442,643.28 × 617,779.70 - Step 4: Simplify right side
1,628,283.05x = 1,509,015,417,423.30 - Step 5: Solve for x
x = 1,509,015,417,423.30/1,628,283.05 - Step 6: Final answer
x = 926,752.52
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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.