Finding the Fourth Proportional to 2,398,128.45, 3,590,746.62 and 1,826,787.75
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Solution
The fourth proportional to 2,398,128.45, 3,590,746.62 and 1,826,787.75 is: 2,735,271.31
Step by Step Solution
- Step 1: Write the proportion equation
2,398,128.45 : 3,590,746.62 = 1,826,787.75 : x - Step 2: Convert to fraction form
2,398,128.45/3,590,746.62 = 1,826,787.75/x - Step 3: Cross multiply
2,398,128.45x = 3,590,746.62 × 1,826,787.75 - Step 4: Simplify right side
2,398,128.45x = 6,559,531,938,769.91 - Step 5: Solve for x
x = 6,559,531,938,769.91/2,398,128.45 - Step 6: Final answer
x = 2,735,271.31
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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.