Home / 5,246,543.70-7,869,815.55-1,881,090.90

Finding the Fourth Proportional to 5,246,543.70, 7,869,815.55 and 1,881,090.90

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Solution

The fourth proportional to 5,246,543.70, 7,869,815.55 and 1,881,090.90 is: 2,821,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246,543.70 : 7,869,815.55 = 1,881,090.90 : x
  2. Step 2: Convert to fraction form
    5,246,543.70/7,869,815.55 = 1,881,090.90/x
  3. Step 3: Cross multiply
    5,246,543.70x = 7,869,815.55 × 1,881,090.90
  4. Step 4: Simplify right side
    5,246,543.70x = 14,803,838,415,783.49
  5. Step 5: Solve for x
    x = 14,803,838,415,783.49/5,246,543.70
  6. Step 6: Final answer
    x = 2,821,636.35

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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.