Home / 1,971,204.30-2,956,806.45-1,298,045.70

Finding the Fourth Proportional to 1,971,204.30, 2,956,806.45 and 1,298,045.70

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Solution

The fourth proportional to 1,971,204.30, 2,956,806.45 and 1,298,045.70 is: 1,947,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,204.30 : 2,956,806.45 = 1,298,045.70 : x
  2. Step 2: Convert to fraction form
    1,971,204.30/2,956,806.45 = 1,298,045.70/x
  3. Step 3: Cross multiply
    1,971,204.30x = 2,956,806.45 × 1,298,045.70
  4. Step 4: Simplify right side
    1,971,204.30x = 3,838,069,898,154.77
  5. Step 5: Solve for x
    x = 3,838,069,898,154.77/1,971,204.30
  6. Step 6: Final answer
    x = 1,947,068.55

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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.