Home / 4,688,078.20-7,032,389.45-1,809,461.01

Finding the Fourth Proportional to 4,688,078.20, 7,032,389.45 and 1,809,461.01

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Solution

The fourth proportional to 4,688,078.20, 7,032,389.45 and 1,809,461.01 is: 2,714,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688,078.20 : 7,032,389.45 = 1,809,461.01 : x
  2. Step 2: Convert to fraction form
    4,688,078.20/7,032,389.45 = 1,809,461.01/x
  3. Step 3: Cross multiply
    4,688,078.20x = 7,032,389.45 × 1,809,461.01
  4. Step 4: Simplify right side
    4,688,078.20x = 12,724,834,516,910.35
  5. Step 5: Solve for x
    x = 12,724,834,516,910.35/4,688,078.20
  6. Step 6: Final answer
    x = 2,714,296.56

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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.