Home / 1,434,031.61-1,974,695.51-1,402,206.71

Finding the Fourth Proportional to 1,434,031.61, 1,974,695.51 and 1,402,206.71

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Solution

The fourth proportional to 1,434,031.61, 1,974,695.51 and 1,402,206.71 is: 1,930,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,031.61 : 1,974,695.51 = 1,402,206.71 : x
  2. Step 2: Convert to fraction form
    1,434,031.61/1,974,695.51 = 1,402,206.71/x
  3. Step 3: Cross multiply
    1,434,031.61x = 1,974,695.51 × 1,402,206.71
  4. Step 4: Simplify right side
    1,434,031.61x = 2,768,931,287,317.84
  5. Step 5: Solve for x
    x = 2,768,931,287,317.84/1,434,031.61
  6. Step 6: Final answer
    x = 1,930,871.86

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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.