Finding the Fourth Proportional to 4,430,758.93, 6,645,547.80 and 1,235,617.54
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Solution
The fourth proportional to 4,430,758.93, 6,645,547.80 and 1,235,617.54 is: 1,853,261.61
Step by Step Solution
- Step 1: Write the proportion equation
4,430,758.93 : 6,645,547.80 = 1,235,617.54 : x - Step 2: Convert to fraction form
4,430,758.93/6,645,547.80 = 1,235,617.54/x - Step 3: Cross multiply
4,430,758.93x = 6,645,547.80 × 1,235,617.54 - Step 4: Simplify right side
4,430,758.93x = 8,211,355,407,974.54 - Step 5: Solve for x
x = 8,211,355,407,974.54/4,430,758.93 - Step 6: Final answer
x = 1,853,261.61
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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.