Finding the Fourth Proportional to 4,865,978.63, 6,714,930.84 and 2,690,466.05
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Solution
The fourth proportional to 4,865,978.63, 6,714,930.84 and 2,690,466.05 is: 3,712,776.98
Step by Step Solution
- Step 1: Write the proportion equation
4,865,978.63 : 6,714,930.84 = 2,690,466.05 : x - Step 2: Convert to fraction form
4,865,978.63/6,714,930.84 = 2,690,466.05/x - Step 3: Cross multiply
4,865,978.63x = 6,714,930.84 × 2,690,466.05 - Step 4: Simplify right side
4,865,978.63x = 18,066,293,453,117.98 - Step 5: Solve for x
x = 18,066,293,453,117.98/4,865,978.63 - Step 6: Final answer
x = 3,712,776.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.