Finding the Fourth Proportional to 1,490,298.16, 2,234,193.34 and 648,215.68
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Solution
The fourth proportional to 1,490,298.16, 2,234,193.34 and 648,215.68 is: 971,778.13
Step by Step Solution
- Step 1: Write the proportion equation
1,490,298.16 : 2,234,193.34 = 648,215.68 : x - Step 2: Convert to fraction form
1,490,298.16/2,234,193.34 = 648,215.68/x - Step 3: Cross multiply
1,490,298.16x = 2,234,193.34 × 648,215.68 - Step 4: Simplify right side
1,490,298.16x = 1,448,239,155,139.57 - Step 5: Solve for x
x = 1,448,239,155,139.57/1,490,298.16 - Step 6: Final answer
x = 971,778.13
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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.