Finding the Fourth Proportional to 7,417,269.90, 11,127,160.89 and 2,558,257.02
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Solution
The fourth proportional to 7,417,269.90, 11,127,160.89 and 2,558,257.02 is: 3,837,818.75
Step by Step Solution
- Step 1: Write the proportion equation
7,417,269.90 : 11,127,160.89 = 2,558,257.02 : x - Step 2: Convert to fraction form
7,417,269.90/11,127,160.89 = 2,558,257.02/x - Step 3: Cross multiply
7,417,269.90x = 11,127,160.89 × 2,558,257.02 - Step 4: Simplify right side
7,417,269.90x = 28,466,137,459,511.95 - Step 5: Solve for x
x = 28,466,137,459,511.95/7,417,269.90 - Step 6: Final answer
x = 3,837,818.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.