Home / 5,426,435.70-8,140,819.95-1,640,301.30

Finding the Fourth Proportional to 5,426,435.70, 8,140,819.95 and 1,640,301.30

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Solution

The fourth proportional to 5,426,435.70, 8,140,819.95 and 1,640,301.30 is: 2,460,804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,435.70 : 8,140,819.95 = 1,640,301.30 : x
  2. Step 2: Convert to fraction form
    5,426,435.70/8,140,819.95 = 1,640,301.30/x
  3. Step 3: Cross multiply
    5,426,435.70x = 8,140,819.95 × 1,640,301.30
  4. Step 4: Simplify right side
    5,426,435.70x = 13,353,397,547,050.94
  5. Step 5: Solve for x
    x = 13,353,397,547,050.94/5,426,435.70
  6. Step 6: Final answer
    x = 2,460,804.53

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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.