Home / 2,020,679.65-2,788,537.95-1,377,223.93

Finding the Fourth Proportional to 2,020,679.65, 2,788,537.95 and 1,377,223.93

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Solution

The fourth proportional to 2,020,679.65, 2,788,537.95 and 1,377,223.93 is: 1,900,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,679.65 : 2,788,537.95 = 1,377,223.93 : x
  2. Step 2: Convert to fraction form
    2,020,679.65/2,788,537.95 = 1,377,223.93/x
  3. Step 3: Cross multiply
    2,020,679.65x = 2,788,537.95 × 1,377,223.93
  4. Step 4: Simplify right side
    2,020,679.65x = 3,840,441,197,938.82
  5. Step 5: Solve for x
    x = 3,840,441,197,938.82/2,020,679.65
  6. Step 6: Final answer
    x = 1,900,569.05

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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.