Finding the Fourth Proportional to 1,687,935.60, 2,328,959.64 and 999,261.36
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Solution
The fourth proportional to 1,687,935.60, 2,328,959.64 and 999,261.36 is: 1,378,748.92
Step by Step Solution
- Step 1: Write the proportion equation
1,687,935.60 : 2,328,959.64 = 999,261.36 : x - Step 2: Convert to fraction form
1,687,935.60/2,328,959.64 = 999,261.36/x - Step 3: Cross multiply
1,687,935.60x = 2,328,959.64 × 999,261.36 - Step 4: Simplify right side
1,687,935.60x = 2,327,239,377,251.51 - Step 5: Solve for x
x = 2,327,239,377,251.51/1,687,935.60 - Step 6: Final answer
x = 1,378,748.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.