Home / 2,549,715.84-3,518,477.28-1,403,575.20

Finding the Fourth Proportional to 2,549,715.84, 3,518,477.28 and 1,403,575.20

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Solution

The fourth proportional to 2,549,715.84, 3,518,477.28 and 1,403,575.20 is: 1,936,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549,715.84 : 3,518,477.28 = 1,403,575.20 : x
  2. Step 2: Convert to fraction form
    2,549,715.84/3,518,477.28 = 1,403,575.20/x
  3. Step 3: Cross multiply
    2,549,715.84x = 3,518,477.28 × 1,403,575.20
  4. Step 4: Simplify right side
    2,549,715.84x = 4,938,447,451,971.46
  5. Step 5: Solve for x
    x = 4,938,447,451,971.46/2,549,715.84
  6. Step 6: Final answer
    x = 1,936,861.89

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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.