Finding the Fourth Proportional to 1,878,319, 2,817,920.79 and 1,495,515.70
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Solution
The fourth proportional to 1,878,319, 2,817,920.79 and 1,495,515.70 is: 2,243,625.70
Step by Step Solution
- Step 1: Write the proportion equation
1,878,319 : 2,817,920.79 = 1,495,515.70 : x - Step 2: Convert to fraction form
1,878,319/2,817,920.79 = 1,495,515.70/x - Step 3: Cross multiply
1,878,319x = 2,817,920.79 × 1,495,515.70 - Step 4: Simplify right side
1,878,319x = 4,214,244,782,801.40 - Step 5: Solve for x
x = 4,214,244,782,801.40/1,878,319 - Step 6: Final answer
x = 2,243,625.70
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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.