Home / 3,490,862.34-4,817,981.61-2,020,557.90

Finding the Fourth Proportional to 3,490,862.34, 4,817,981.61 and 2,020,557.90

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Solution

The fourth proportional to 3,490,862.34, 4,817,981.61 and 2,020,557.90 is: 2,788,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490,862.34 : 4,817,981.61 = 2,020,557.90 : x
  2. Step 2: Convert to fraction form
    3,490,862.34/4,817,981.61 = 2,020,557.90/x
  3. Step 3: Cross multiply
    3,490,862.34x = 4,817,981.61 × 2,020,557.90
  4. Step 4: Simplify right side
    3,490,862.34x = 9,735,010,804,140.22
  5. Step 5: Solve for x
    x = 9,735,010,804,140.22/3,490,862.34
  6. Step 6: Final answer
    x = 2,788,712.32

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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.