Finding the Fourth Proportional to 1,911,158.76, 2,637,399.53 and 1,051,719.02
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Solution
The fourth proportional to 1,911,158.76, 2,637,399.53 and 1,051,719.02 is: 1,451,372.49
Step by Step Solution
- Step 1: Write the proportion equation
1,911,158.76 : 2,637,399.53 = 1,051,719.02 : x - Step 2: Convert to fraction form
1,911,158.76/2,637,399.53 = 1,051,719.02/x - Step 3: Cross multiply
1,911,158.76x = 2,637,399.53 × 1,051,719.02 - Step 4: Simplify right side
1,911,158.76x = 2,773,803,250,374.96 - Step 5: Solve for x
x = 2,773,803,250,374.96/1,911,158.76 - Step 6: Final answer
x = 1,451,372.49
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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.