Finding the Fourth Proportional to 7,248,255.81, 10,872,386.79 and 2,130,686.06
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Solution
The fourth proportional to 7,248,255.81, 10,872,386.79 and 2,130,686.06 is: 3,196,029.99
Step by Step Solution
- Step 1: Write the proportion equation
7,248,255.81 : 10,872,386.79 = 2,130,686.06 : x - Step 2: Convert to fraction form
7,248,255.81/10,872,386.79 = 2,130,686.06/x - Step 3: Cross multiply
7,248,255.81x = 10,872,386.79 × 2,130,686.06 - Step 4: Simplify right side
7,248,255.81x = 23,165,642,972,381.14 - Step 5: Solve for x
x = 23,165,642,972,381.14/7,248,255.81 - Step 6: Final answer
x = 3,196,029.99
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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.