Finding the Fourth Proportional to 4,328,661.20, 6,492,991.80 and 1,134,110.30
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Solution
The fourth proportional to 4,328,661.20, 6,492,991.80 and 1,134,110.30 is: 1,701,165.45
Step by Step Solution
- Step 1: Write the proportion equation
4,328,661.20 : 6,492,991.80 = 1,134,110.30 : x - Step 2: Convert to fraction form
4,328,661.20/6,492,991.80 = 1,134,110.30/x - Step 3: Cross multiply
4,328,661.20x = 6,492,991.80 × 1,134,110.30 - Step 4: Simplify right side
4,328,661.20x = 7,363,768,878,195.54 - Step 5: Solve for x
x = 7,363,768,878,195.54/4,328,661.20 - Step 6: Final answer
x = 1,701,165.45
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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.