Finding the Fourth Proportional to 1,859,345.02, 2,565,572.13 and 1,043,583.09
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Solution
The fourth proportional to 1,859,345.02, 2,565,572.13 and 1,043,583.09 is: 1,439,962.82
Step by Step Solution
- Step 1: Write the proportion equation
1,859,345.02 : 2,565,572.13 = 1,043,583.09 : x - Step 2: Convert to fraction form
1,859,345.02/2,565,572.13 = 1,043,583.09/x - Step 3: Cross multiply
1,859,345.02x = 2,565,572.13 × 1,043,583.09 - Step 4: Simplify right side
1,859,345.02x = 2,677,387,691,043.28 - Step 5: Solve for x
x = 2,677,387,691,043.28/1,859,345.02 - Step 6: Final answer
x = 1,439,962.82
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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.