Finding the Fourth Proportional to 2,671,986.12, 3,687,574.14 and 1,464,995.40
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Solution
The fourth proportional to 2,671,986.12, 3,687,574.14 and 1,464,995.40 is: 2,021,821.56
Step by Step Solution
- Step 1: Write the proportion equation
2,671,986.12 : 3,687,574.14 = 1,464,995.40 : x - Step 2: Convert to fraction form
2,671,986.12/3,687,574.14 = 1,464,995.40/x - Step 3: Cross multiply
2,671,986.12x = 3,687,574.14 × 1,464,995.40 - Step 4: Simplify right side
2,671,986.12x = 5,402,279,152,258.96 - Step 5: Solve for x
x = 5,402,279,152,258.96/2,671,986.12 - Step 6: Final answer
x = 2,021,821.56
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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.