Finding the Fourth Proportional to 6,376,155.64, 9,564,276.44 and 2,330,979.28
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Solution
The fourth proportional to 6,376,155.64, 9,564,276.44 and 2,330,979.28 is: 3,496,484.63
Step by Step Solution
- Step 1: Write the proportion equation
6,376,155.64 : 9,564,276.44 = 2,330,979.28 : x - Step 2: Convert to fraction form
6,376,155.64/9,564,276.44 = 2,330,979.28/x - Step 3: Cross multiply
6,376,155.64x = 9,564,276.44 × 2,330,979.28 - Step 4: Simplify right side
6,376,155.64x = 22,294,130,209,832.16 - Step 5: Solve for x
x = 22,294,130,209,832.16/6,376,155.64 - Step 6: Final answer
x = 3,496,484.63
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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.