Home / 1,878,845.76-2,592,823.77-1,019,423.07

Finding the Fourth Proportional to 1,878,845.76, 2,592,823.77 and 1,019,423.07

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Solution

The fourth proportional to 1,878,845.76, 2,592,823.77 and 1,019,423.07 is: 1,406,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,845.76 : 2,592,823.77 = 1,019,423.07 : x
  2. Step 2: Convert to fraction form
    1,878,845.76/2,592,823.77 = 1,019,423.07/x
  3. Step 3: Cross multiply
    1,878,845.76x = 2,592,823.77 × 1,019,423.07
  4. Step 4: Simplify right side
    1,878,845.76x = 2,643,184,367,582.37
  5. Step 5: Solve for x
    x = 2,643,184,367,582.37/1,878,845.76
  6. Step 6: Final answer
    x = 1,406,812.85

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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.