Finding the Fourth Proportional to 1,928,873.70, 2,893,430.84 and 508,931.15
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Solution
The fourth proportional to 1,928,873.70, 2,893,430.84 and 508,931.15 is: 763,428.45
Step by Step Solution
- Step 1: Write the proportion equation
1,928,873.70 : 2,893,430.84 = 508,931.15 : x - Step 2: Convert to fraction form
1,928,873.70/2,893,430.84 = 508,931.15/x - Step 3: Cross multiply
1,928,873.70x = 2,893,430.84 × 508,931.15 - Step 4: Simplify right side
1,928,873.70x = 1,472,557,067,834.86 - Step 5: Solve for x
x = 1,472,557,067,834.86/1,928,873.70 - Step 6: Final answer
x = 763,428.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.