Home / 1,549,152.71-2,137,788.08-860,806.76

Finding the Fourth Proportional to 1,549,152.71, 2,137,788.08 and 860,806.76

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Solution

The fourth proportional to 1,549,152.71, 2,137,788.08 and 860,806.76 is: 1,187,889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,152.71 : 2,137,788.08 = 860,806.76 : x
  2. Step 2: Convert to fraction form
    1,549,152.71/2,137,788.08 = 860,806.76/x
  3. Step 3: Cross multiply
    1,549,152.71x = 2,137,788.08 × 860,806.76
  4. Step 4: Simplify right side
    1,549,152.71x = 1,840,222,415,718.45
  5. Step 5: Solve for x
    x = 1,840,222,415,718.45/1,549,152.71
  6. Step 6: Final answer
    x = 1,187,889.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.