Finding the Fourth Proportional to 2,878,745.80, 4,319,613.16 and 1,174,139.68
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Solution
The fourth proportional to 2,878,745.80, 4,319,613.16 and 1,174,139.68 is: 1,761,819.06
Step by Step Solution
- Step 1: Write the proportion equation
2,878,745.80 : 4,319,613.16 = 1,174,139.68 : x - Step 2: Convert to fraction form
2,878,745.80/4,319,613.16 = 1,174,139.68/x - Step 3: Cross multiply
2,878,745.80x = 4,319,613.16 × 1,174,139.68 - Step 4: Simplify right side
2,878,745.80x = 5,071,829,213,406.19 - Step 5: Solve for x
x = 5,071,829,213,406.19/2,878,745.80 - Step 6: Final answer
x = 1,761,819.06
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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.