Finding the Fourth Proportional to 1,615,178.70, 2,420,482.14 and 895,837.05
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Solution
The fourth proportional to 1,615,178.70, 2,420,482.14 and 895,837.05 is: 1,342,487.73
Step by Step Solution
- Step 1: Write the proportion equation
1,615,178.70 : 2,420,482.14 = 895,837.05 : x - Step 2: Convert to fraction form
1,615,178.70/2,420,482.14 = 895,837.05/x - Step 3: Cross multiply
1,615,178.70x = 2,420,482.14 × 895,837.05 - Step 4: Simplify right side
1,615,178.70x = 2,168,357,579,875.29 - Step 5: Solve for x
x = 2,168,357,579,875.29/1,615,178.70 - Step 6: Final answer
x = 1,342,487.73
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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.