Finding the Fourth Proportional to 1,645,148.65, 2,270,262.51 and 910,130.07
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Solution
The fourth proportional to 1,645,148.65, 2,270,262.51 and 910,130.07 is: 1,255,955.92
Step by Step Solution
- Step 1: Write the proportion equation
1,645,148.65 : 2,270,262.51 = 910,130.07 : x - Step 2: Convert to fraction form
1,645,148.65/2,270,262.51 = 910,130.07/x - Step 3: Cross multiply
1,645,148.65x = 2,270,262.51 × 910,130.07 - Step 4: Simplify right side
1,645,148.65x = 2,066,234,183,098.42 - Step 5: Solve for x
x = 2,066,234,183,098.42/1,645,148.65 - Step 6: Final answer
x = 1,255,955.92
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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.