Finding the Fourth Proportional to 5,160,800.16, 7,736,869.98 and 2,281,702.14
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Solution
The fourth proportional to 5,160,800.16, 7,736,869.98 and 2,281,702.14 is: 3,420,638.71
Step by Step Solution
- Step 1: Write the proportion equation
5,160,800.16 : 7,736,869.98 = 2,281,702.14 : x - Step 2: Convert to fraction form
5,160,800.16/7,736,869.98 = 2,281,702.14/x - Step 3: Cross multiply
5,160,800.16x = 7,736,869.98 × 2,281,702.14 - Step 4: Simplify right side
5,160,800.16x = 17,653,232,790,267.76 - Step 5: Solve for x
x = 17,653,232,790,267.76/5,160,800.16 - Step 6: Final answer
x = 3,420,638.71
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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.