Home / 2,208,428-3,312,642.23-692,110.74

Finding the Fourth Proportional to 2,208,428, 3,312,642.23 and 692,110.74

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Solution

The fourth proportional to 2,208,428, 3,312,642.23 and 692,110.74 is: 1,038,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,428 : 3,312,642.23 = 692,110.74 : x
  2. Step 2: Convert to fraction form
    2,208,428/3,312,642.23 = 692,110.74/x
  3. Step 3: Cross multiply
    2,208,428x = 3,312,642.23 × 692,110.74
  4. Step 4: Simplify right side
    2,208,428x = 2,292,715,265,160.55
  5. Step 5: Solve for x
    x = 2,292,715,265,160.55/2,208,428
  6. Step 6: Final answer
    x = 1,038,166.18

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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.