Home / 2,820,006.90-4,230,010.35-1,402,830.90

Finding the Fourth Proportional to 2,820,006.90, 4,230,010.35 and 1,402,830.90

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Solution

The fourth proportional to 2,820,006.90, 4,230,010.35 and 1,402,830.90 is: 2,104,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,006.90 : 4,230,010.35 = 1,402,830.90 : x
  2. Step 2: Convert to fraction form
    2,820,006.90/4,230,010.35 = 1,402,830.90/x
  3. Step 3: Cross multiply
    2,820,006.90x = 4,230,010.35 × 1,402,830.90
  4. Step 4: Simplify right side
    2,820,006.90x = 5,933,989,226,299.82
  5. Step 5: Solve for x
    x = 5,933,989,226,299.82/2,820,006.90
  6. Step 6: Final answer
    x = 2,104,246.35

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1.5x scale

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.