Home / 1,817,124.61-2,507,621.11-990,196.68

Finding the Fourth Proportional to 1,817,124.61, 2,507,621.11 and 990,196.68

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Solution

The fourth proportional to 1,817,124.61, 2,507,621.11 and 990,196.68 is: 1,366,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,124.61 : 2,507,621.11 = 990,196.68 : x
  2. Step 2: Convert to fraction form
    1,817,124.61/2,507,621.11 = 990,196.68/x
  3. Step 3: Cross multiply
    1,817,124.61x = 2,507,621.11 × 990,196.68
  4. Step 4: Simplify right side
    1,817,124.61x = 2,483,038,086,374.88
  5. Step 5: Solve for x
    x = 2,483,038,086,374.88/1,817,124.61
  6. Step 6: Final answer
    x = 1,366,465.50

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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.