Finding the Fourth Proportional to 1,671,859.02, 2,307,871.77 and 1,128,730.53
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Solution
The fourth proportional to 1,671,859.02, 2,307,871.77 and 1,128,730.53 is: 1,558,124.99
Step by Step Solution
- Step 1: Write the proportion equation
1,671,859.02 : 2,307,871.77 = 1,128,730.53 : x - Step 2: Convert to fraction form
1,671,859.02/2,307,871.77 = 1,128,730.53/x - Step 3: Cross multiply
1,671,859.02x = 2,307,871.77 × 1,128,730.53 - Step 4: Simplify right side
1,671,859.02x = 2,604,965,326,124.14 - Step 5: Solve for x
x = 2,604,965,326,124.14/1,671,859.02 - Step 6: Final answer
x = 1,558,124.99
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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.