Finding the Fourth Proportional to 1,899,235.86, 2,620,953.18 and 1,039,876.08
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Solution
The fourth proportional to 1,899,235.86, 2,620,953.18 and 1,039,876.08 is: 1,435,033.20
Step by Step Solution
- Step 1: Write the proportion equation
1,899,235.86 : 2,620,953.18 = 1,039,876.08 : x - Step 2: Convert to fraction form
1,899,235.86/2,620,953.18 = 1,039,876.08/x - Step 3: Cross multiply
1,899,235.86x = 2,620,953.18 × 1,039,876.08 - Step 4: Simplify right side
1,899,235.86x = 2,725,466,518,681.93 - Step 5: Solve for x
x = 2,725,466,518,681.93/1,899,235.86 - Step 6: Final answer
x = 1,435,033.20
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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.