Home / 1,872,035.70-2,808,053.55-1,021,730.10

Finding the Fourth Proportional to 1,872,035.70, 2,808,053.55 and 1,021,730.10

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Solution

The fourth proportional to 1,872,035.70, 2,808,053.55 and 1,021,730.10 is: 1,532,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,035.70 : 2,808,053.55 = 1,021,730.10 : x
  2. Step 2: Convert to fraction form
    1,872,035.70/2,808,053.55 = 1,021,730.10/x
  3. Step 3: Cross multiply
    1,872,035.70x = 2,808,053.55 × 1,021,730.10
  4. Step 4: Simplify right side
    1,872,035.70x = 2,869,072,834,446.86
  5. Step 5: Solve for x
    x = 2,869,072,834,446.86/1,872,035.70
  6. Step 6: Final answer
    x = 1,532,595.15

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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.