Home / 1,934,475-2,669,363.53-1,118,555.21

Finding the Fourth Proportional to 1,934,475, 2,669,363.53 and 1,118,555.21

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Solution

The fourth proportional to 1,934,475, 2,669,363.53 and 1,118,555.21 is: 1,543,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,475 : 2,669,363.53 = 1,118,555.21 : x
  2. Step 2: Convert to fraction form
    1,934,475/2,669,363.53 = 1,118,555.21/x
  3. Step 3: Cross multiply
    1,934,475x = 2,669,363.53 × 1,118,555.21
  4. Step 4: Simplify right side
    1,934,475x = 2,985,830,483,865.49
  5. Step 5: Solve for x
    x = 2,985,830,483,865.49/1,934,475
  6. Step 6: Final answer
    x = 1,543,483.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.