Finding the Fourth Proportional to 1,545,495.84, 2,130,930.72 and 1,001,433.06
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Solution
The fourth proportional to 1,545,495.84, 2,130,930.72 and 1,001,433.06 is: 1,380,776.59
Step by Step Solution
- Step 1: Write the proportion equation
1,545,495.84 : 2,130,930.72 = 1,001,433.06 : x - Step 2: Convert to fraction form
1,545,495.84/2,130,930.72 = 1,001,433.06/x - Step 3: Cross multiply
1,545,495.84x = 2,130,930.72 × 1,001,433.06 - Step 4: Simplify right side
1,545,495.84x = 2,133,984,471,577.60 - Step 5: Solve for x
x = 2,133,984,471,577.60/1,545,495.84 - Step 6: Final answer
x = 1,380,776.59
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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.