Finding the Fourth Proportional to 4,686,102.09, 7,021,882.71 and 3,249,587.52
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Solution
The fourth proportional to 4,686,102.09, 7,021,882.71 and 3,249,587.52 is: 4,869,339.59
Step by Step Solution
- Step 1: Write the proportion equation
4,686,102.09 : 7,021,882.71 = 3,249,587.52 : x - Step 2: Convert to fraction form
4,686,102.09/7,021,882.71 = 3,249,587.52/x - Step 3: Cross multiply
4,686,102.09x = 7,021,882.71 × 3,249,587.52 - Step 4: Simplify right side
4,686,102.09x = 22,818,222,421,319.78 - Step 5: Solve for x
x = 22,818,222,421,319.78/4,686,102.09 - Step 6: Final answer
x = 4,869,339.59
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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.