Finding the Fourth Proportional to 1,671,858.52, 2,307,871.08 and 1,128,730.04
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Solution
The fourth proportional to 1,671,858.52, 2,307,871.08 and 1,128,730.04 is: 1,558,124.32
Step by Step Solution
- Step 1: Write the proportion equation
1,671,858.52 : 2,307,871.08 = 1,128,730.04 : x - Step 2: Convert to fraction form
1,671,858.52/2,307,871.08 = 1,128,730.04/x - Step 3: Cross multiply
1,671,858.52x = 2,307,871.08 × 1,128,730.04 - Step 4: Simplify right side
1,671,858.52x = 2,604,963,416,443.24 - Step 5: Solve for x
x = 2,604,963,416,443.24/1,671,858.52 - Step 6: Final answer
x = 1,558,124.32
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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.