Home / 4,518,692.32-6,778,023.69-1,640,055.30

Finding the Fourth Proportional to 4,518,692.32, 6,778,023.69 and 1,640,055.30

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Solution

The fourth proportional to 4,518,692.32, 6,778,023.69 and 1,640,055.30 is: 2,460,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518,692.32 : 6,778,023.69 = 1,640,055.30 : x
  2. Step 2: Convert to fraction form
    4,518,692.32/6,778,023.69 = 1,640,055.30/x
  3. Step 3: Cross multiply
    4,518,692.32x = 6,778,023.69 × 1,640,055.30
  4. Step 4: Simplify right side
    4,518,692.32x = 11,116,333,650,892.47
  5. Step 5: Solve for x
    x = 11,116,333,650,892.47/4,518,692.32
  6. Step 6: Final answer
    x = 2,460,077.58

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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.