Home / 1,971,894.05-2,958,167.94-692,169.45

Finding the Fourth Proportional to 1,971,894.05, 2,958,167.94 and 692,169.45

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Solution

The fourth proportional to 1,971,894.05, 2,958,167.94 and 692,169.45 is: 1,038,368.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,894.05 : 2,958,167.94 = 692,169.45 : x
  2. Step 2: Convert to fraction form
    1,971,894.05/2,958,167.94 = 692,169.45/x
  3. Step 3: Cross multiply
    1,971,894.05x = 2,958,167.94 × 692,169.45
  4. Step 4: Simplify right side
    1,971,894.05x = 2,047,553,482,881.82
  5. Step 5: Solve for x
    x = 2,047,553,482,881.82/1,971,894.05
  6. Step 6: Final answer
    x = 1,038,368.92

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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.