Finding the Fourth Proportional to 1,681,060.08, 2,319,782.04 and 917,068.08
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Solution
The fourth proportional to 1,681,060.08, 2,319,782.04 and 917,068.08 is: 1,265,509.83
Step by Step Solution
- Step 1: Write the proportion equation
1,681,060.08 : 2,319,782.04 = 917,068.08 : x - Step 2: Convert to fraction form
1,681,060.08/2,319,782.04 = 917,068.08/x - Step 3: Cross multiply
1,681,060.08x = 2,319,782.04 × 917,068.08 - Step 4: Simplify right side
1,681,060.08x = 2,127,398,061,441.28 - Step 5: Solve for x
x = 2,127,398,061,441.28/1,681,060.08 - Step 6: Final answer
x = 1,265,509.83
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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.