Home / 2,430,646.40-3,643,636.80-1,890,603.20

Finding the Fourth Proportional to 2,430,646.40, 3,643,636.80 and 1,890,603.20

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Solution

The fourth proportional to 2,430,646.40, 3,643,636.80 and 1,890,603.20 is: 2,834,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430,646.40 : 3,643,636.80 = 1,890,603.20 : x
  2. Step 2: Convert to fraction form
    2,430,646.40/3,643,636.80 = 1,890,603.20/x
  3. Step 3: Cross multiply
    2,430,646.40x = 3,643,636.80 × 1,890,603.20
  4. Step 4: Simplify right side
    2,430,646.40x = 6,888,671,393,717.76
  5. Step 5: Solve for x
    x = 6,888,671,393,717.76/2,430,646.40
  6. Step 6: Final answer
    x = 2,834,090.30

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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.