Home / 4,688,078.95-7,032,390.57-1,809,461.76

Finding the Fourth Proportional to 4,688,078.95, 7,032,390.57 and 1,809,461.76

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Solution

The fourth proportional to 4,688,078.95, 7,032,390.57 and 1,809,461.76 is: 2,714,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688,078.95 : 7,032,390.57 = 1,809,461.76 : x
  2. Step 2: Convert to fraction form
    4,688,078.95/7,032,390.57 = 1,809,461.76/x
  3. Step 3: Cross multiply
    4,688,078.95x = 7,032,390.57 × 1,809,461.76
  4. Step 4: Simplify right side
    4,688,078.95x = 12,724,841,817,799.60
  5. Step 5: Solve for x
    x = 12,724,841,817,799.60/4,688,078.95
  6. Step 6: Final answer
    x = 2,714,297.68

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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.