Finding the Fourth Proportional to 6,658,986.62, 9,988,823.98 and 2,110,518.70
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Solution
The fourth proportional to 6,658,986.62, 9,988,823.98 and 2,110,518.70 is: 3,165,887.09
Step by Step Solution
- Step 1: Write the proportion equation
6,658,986.62 : 9,988,823.98 = 2,110,518.70 : x - Step 2: Convert to fraction form
6,658,986.62/9,988,823.98 = 2,110,518.70/x - Step 3: Cross multiply
6,658,986.62x = 9,988,823.98 × 2,110,518.70 - Step 4: Simplify right side
6,658,986.62x = 21,081,599,778,464.51 - Step 5: Solve for x
x = 21,081,599,778,464.51/6,658,986.62 - Step 6: Final answer
x = 3,165,887.09
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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.