Finding the Fourth Proportional to 2,658,844.52, 3,987,430.23 and 861,310.95
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Solution
The fourth proportional to 2,658,844.52, 3,987,430.23 and 861,310.95 is: 1,291,695.43
Step by Step Solution
- Step 1: Write the proportion equation
2,658,844.52 : 3,987,430.23 = 861,310.95 : x - Step 2: Convert to fraction form
2,658,844.52/3,987,430.23 = 861,310.95/x - Step 3: Cross multiply
2,658,844.52x = 3,987,430.23 × 861,310.95 - Step 4: Simplify right side
2,658,844.52x = 3,434,417,319,460.02 - Step 5: Solve for x
x = 3,434,417,319,460.02/2,658,844.52 - Step 6: Final answer
x = 1,291,695.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.