Home / 1,657,117.02-2,473,577.94-1,421,970.78

Finding the Fourth Proportional to 1,657,117.02, 2,473,577.94 and 1,421,970.78

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Solution

The fourth proportional to 1,657,117.02, 2,473,577.94 and 1,421,970.78 is: 2,122,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,117.02 : 2,473,577.94 = 1,421,970.78 : x
  2. Step 2: Convert to fraction form
    1,657,117.02/2,473,577.94 = 1,421,970.78/x
  3. Step 3: Cross multiply
    1,657,117.02x = 2,473,577.94 × 1,421,970.78
  4. Step 4: Simplify right side
    1,657,117.02x = 3,517,355,552,732.59
  5. Step 5: Solve for x
    x = 3,517,355,552,732.59/1,657,117.02
  6. Step 6: Final answer
    x = 2,122,575.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.