Home / 1,931,830.67-2,896,564.48-921,261.71

Finding the Fourth Proportional to 1,931,830.67, 2,896,564.48 and 921,261.71

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Solution

The fourth proportional to 1,931,830.67, 2,896,564.48 and 921,261.71 is: 1,381,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,830.67 : 2,896,564.48 = 921,261.71 : x
  2. Step 2: Convert to fraction form
    1,931,830.67/2,896,564.48 = 921,261.71/x
  3. Step 3: Cross multiply
    1,931,830.67x = 2,896,564.48 × 921,261.71
  4. Step 4: Simplify right side
    1,931,830.67x = 2,668,493,945,970.06
  5. Step 5: Solve for x
    x = 2,668,493,945,970.06/1,931,830.67
  6. Step 6: Final answer
    x = 1,381,329.11

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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.