Finding the Fourth Proportional to 2,267,583.16, 3,129,264.48 and 1,248,987.92
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Solution
The fourth proportional to 2,267,583.16, 3,129,264.48 and 1,248,987.92 is: 1,723,603.17
Step by Step Solution
- Step 1: Write the proportion equation
2,267,583.16 : 3,129,264.48 = 1,248,987.92 : x - Step 2: Convert to fraction form
2,267,583.16/3,129,264.48 = 1,248,987.92/x - Step 3: Cross multiply
2,267,583.16x = 3,129,264.48 × 1,248,987.92 - Step 4: Simplify right side
2,267,583.16x = 3,908,413,534,005.08 - Step 5: Solve for x
x = 3,908,413,534,005.08/2,267,583.16 - Step 6: Final answer
x = 1,723,603.17
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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.