Finding the Fourth Proportional to 6,817,813.80, 10,226,720.70 and 1,769,124.30
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Solution
The fourth proportional to 6,817,813.80, 10,226,720.70 and 1,769,124.30 is: 2,653,686.45
Step by Step Solution
- Step 1: Write the proportion equation
6,817,813.80 : 10,226,720.70 = 1,769,124.30 : x - Step 2: Convert to fraction form
6,817,813.80/10,226,720.70 = 1,769,124.30/x - Step 3: Cross multiply
6,817,813.80x = 10,226,720.70 × 1,769,124.30 - Step 4: Simplify right side
6,817,813.80x = 18,092,340,099,683.01 - Step 5: Solve for x
x = 18,092,340,099,683.01/6,817,813.80 - Step 6: Final answer
x = 2,653,686.45
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Similar ratio
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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.