Finding the Fourth Proportional to 1,490,079.53, 2,057,038.70 and 999,873.66
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Solution
The fourth proportional to 1,490,079.53, 2,057,038.70 and 999,873.66 is: 1,380,314.79
Step by Step Solution
- Step 1: Write the proportion equation
1,490,079.53 : 2,057,038.70 = 999,873.66 : x - Step 2: Convert to fraction form
1,490,079.53/2,057,038.70 = 999,873.66/x - Step 3: Cross multiply
1,490,079.53x = 2,057,038.70 × 999,873.66 - Step 4: Simplify right side
1,490,079.53x = 2,056,778,810,498.62 - Step 5: Solve for x
x = 2,056,778,810,498.62/1,490,079.53 - Step 6: Final answer
x = 1,380,314.79
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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.