Finding the Fourth Proportional to 1,547,423.58, 2,134,897.11 and 1,011,190.62
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Solution
The fourth proportional to 1,547,423.58, 2,134,897.11 and 1,011,190.62 is: 1,395,085.33
Step by Step Solution
- Step 1: Write the proportion equation
1,547,423.58 : 2,134,897.11 = 1,011,190.62 : x - Step 2: Convert to fraction form
1,547,423.58/2,134,897.11 = 1,011,190.62/x - Step 3: Cross multiply
1,547,423.58x = 2,134,897.11 × 1,011,190.62 - Step 4: Simplify right side
1,547,423.58x = 2,158,787,932,297.11 - Step 5: Solve for x
x = 2,158,787,932,297.11/1,547,423.58 - Step 6: Final answer
x = 1,395,085.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.