Finding the Fourth Proportional to 1,536,730.02, 2,120,965.02 and 916,574.94
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Solution
The fourth proportional to 1,536,730.02, 2,120,965.02 and 916,574.94 is: 1,265,038.99
Step by Step Solution
- Step 1: Write the proportion equation
1,536,730.02 : 2,120,965.02 = 916,574.94 : x - Step 2: Convert to fraction form
1,536,730.02/2,120,965.02 = 916,574.94/x - Step 3: Cross multiply
1,536,730.02x = 2,120,965.02 × 916,574.94 - Step 4: Simplify right side
1,536,730.02x = 1,944,023,385,948.60 - Step 5: Solve for x
x = 1,944,023,385,948.60/1,536,730.02 - Step 6: Final answer
x = 1,265,038.99
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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.