Finding the Fourth Proportional to 4,991,511.13, 7,487,267.00 and 1,625,718.13
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Solution
The fourth proportional to 4,991,511.13, 7,487,267.00 and 1,625,718.13 is: 2,438,577.29
Step by Step Solution
- Step 1: Write the proportion equation
4,991,511.13 : 7,487,267.00 = 1,625,718.13 : x - Step 2: Convert to fraction form
4,991,511.13/7,487,267.00 = 1,625,718.13/x - Step 3: Cross multiply
4,991,511.13x = 7,487,267.00 × 1,625,718.13 - Step 4: Simplify right side
4,991,511.13x = 12,172,185,679,203.95 - Step 5: Solve for x
x = 12,172,185,679,203.95/4,991,511.13 - Step 6: Final answer
x = 2,438,577.29
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1.5x scale
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.