Finding the Fourth Proportional to 6,240,656.80, 9,358,220.40 and 2,875,895.20
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Solution
The fourth proportional to 6,240,656.80, 9,358,220.40 and 2,875,895.20 is: 4,312,568.69
Step by Step Solution
- Step 1: Write the proportion equation
6,240,656.80 : 9,358,220.40 = 2,875,895.20 : x - Step 2: Convert to fraction form
6,240,656.80/9,358,220.40 = 2,875,895.20/x - Step 3: Cross multiply
6,240,656.80x = 9,358,220.40 × 2,875,895.20 - Step 4: Simplify right side
6,240,656.80x = 26,913,261,128,902.08 - Step 5: Solve for x
x = 26,913,261,128,902.08/6,240,656.80 - Step 6: Final answer
x = 4,312,568.69
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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.