Finding the Fourth Proportional to 1,792,281.97, 2,688,947.84 and 530,143.21
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Solution
The fourth proportional to 1,792,281.97, 2,688,947.84 and 530,143.21 is: 795,370.07
Step by Step Solution
- Step 1: Write the proportion equation
1,792,281.97 : 2,688,947.84 = 530,143.21 : x - Step 2: Convert to fraction form
1,792,281.97/2,688,947.84 = 530,143.21/x - Step 3: Cross multiply
1,792,281.97x = 2,688,947.84 × 530,143.21 - Step 4: Simplify right side
1,792,281.97x = 1,425,527,439,420.17 - Step 5: Solve for x
x = 1,425,527,439,420.17/1,792,281.97 - Step 6: Final answer
x = 795,370.07
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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.